Warning: Permanently added '10.128.0.10' (ED25519) to the list of known hosts. [ 93.797083][ T4303] cgroup: Unknown subsys name 'net' [ 94.103901][ T4303] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 94.515943][ T4318] loop4: detected capacity change from 0 to 128 executing program [ 94.531587][ T4320] loop2: detected capacity change from 0 to 128 executing program [ 94.539688][ T4318] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 94.542663][ T4324] loop0: detected capacity change from 0 to 128 [ 94.543821][ T4323] loop1: detected capacity change from 0 to 128 [ 94.547115][ T4321] loop3: detected capacity change from 0 to 128 [ 94.548016][ T4318] syz-executor310: attempt to access beyond end of device [ 94.548016][ T4318] loop4: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 94.553101][ T4321] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 94.554441][ T4323] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 94.554976][ T4324] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 94.556397][ T4318] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 94.561036][ T4321] syz-executor310: attempt to access beyond end of device [ 94.561036][ T4321] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 94.561237][ T4323] syz-executor310: attempt to access beyond end of device [ 94.561237][ T4323] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 94.563910][ T4321] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 94.566855][ T4323] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 94.571837][ T4320] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 94.574896][ T4318] syz-executor310: attempt to access beyond end of device [ 94.574896][ T4318] loop4: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 94.575015][ T4324] syz-executor310: attempt to access beyond end of device [ 94.575015][ T4324] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 94.577617][ T4318] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 94.583727][ T4320] syz-executor310: attempt to access beyond end of device [ 94.583727][ T4320] loop2: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 94.587092][ T4320] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 94.587161][ T4321] syz-executor310: attempt to access beyond end of device [ 94.587161][ T4321] loop3: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 94.592248][ T4320] syz-executor310: attempt to access beyond end of device [ 94.592248][ T4320] loop2: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 94.592803][ T4324] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 94.597162][ T4320] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 94.599514][ T4323] syz-executor310: attempt to access beyond end of device [ 94.599514][ T4323] loop1: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 94.602470][ T4323] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 94.602522][ T4321] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 94.604205][ T4323] syz-executor310: attempt to access beyond end of device [ 94.604205][ T4323] loop1: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 94.606081][ T4321] Buffer I/O error on dev loop3, logical block 13269809, async page read [ 257.778407][ T28] INFO: task syz-executor310:4325 blocked for more than 143 seconds. [ 257.780118][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 257.781604][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 257.783267][ T28] task:syz-executor310 state:D stack:0 pid:4325 ppid:4312 flags:0x00000005 [ 257.785211][ T28] Call trace: [ 257.785829][ T28] __switch_to+0x308/0x598 [ 257.786665][ T28] __schedule+0xef4/0x1d44 [ 257.787509][ T28] schedule+0xc4/0x170 [ 257.798378][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 257.799606][ T28] down_write_nested+0x90/0x94 [ 257.800535][ T28] do_unlinkat+0x2d0/0x70c [ 257.801433][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 257.802399][ T28] invoke_syscall+0x98/0x2bc [ 257.803245][ T28] el0_svc_common+0x138/0x258 [ 257.804139][ T28] do_el0_svc+0x58/0x13c [ 257.805050][ T28] el0_svc+0x58/0x168 [ 257.805757][ T28] el0t_64_sync_handler+0x84/0xf0 [ 257.806846][ T28] el0t_64_sync+0x18c/0x190 [ 257.807755][ T28] INFO: task syz-executor310:4328 blocked for more than 143 seconds. [ 257.828311][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 257.829828][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 257.831620][ T28] task:syz-executor310 state:D stack:0 pid:4328 ppid:4313 flags:0x00000005 [ 257.833434][ T28] Call trace: [ 257.834073][ T28] __switch_to+0x308/0x598 [ 257.835017][ T28] __schedule+0xef4/0x1d44 [ 257.835871][ T28] schedule+0xc4/0x170 [ 257.836675][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 257.837862][ T28] down_write_nested+0x90/0x94 [ 257.868288][ T28] do_unlinkat+0x2d0/0x70c [ 257.869190][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 257.870261][ T28] invoke_syscall+0x98/0x2bc [ 257.871171][ T28] el0_svc_common+0x138/0x258 [ 257.872036][ T28] do_el0_svc+0x58/0x13c [ 257.872861][ T28] el0_svc+0x58/0x168 [ 257.873624][ T28] el0t_64_sync_handler+0x84/0xf0 [ 257.874585][ T28] el0t_64_sync+0x18c/0x190 [ 257.875486][ T28] INFO: task syz-executor310:4327 blocked for more than 143 seconds. [ 257.877037][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 257.898343][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 257.900085][ T28] task:syz-executor310 state:D stack:0 pid:4327 ppid:4314 flags:0x00000005 [ 257.901966][ T28] Call trace: [ 257.902606][ T28] __switch_to+0x308/0x598 [ 257.903513][ T28] __schedule+0xef4/0x1d44 [ 257.904448][ T28] schedule+0xc4/0x170 [ 257.905254][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 257.906342][ T28] down_write_nested+0x90/0x94 [ 257.907222][ T28] do_unlinkat+0x2d0/0x70c [ 257.908101][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 257.938461][ T28] invoke_syscall+0x98/0x2bc [ 257.939558][ T28] el0_svc_common+0x138/0x258 [ 257.940558][ T28] do_el0_svc+0x58/0x13c [ 257.941403][ T28] el0_svc+0x58/0x168 [ 257.942182][ T28] el0t_64_sync_handler+0x84/0xf0 [ 257.943300][ T28] el0t_64_sync+0x18c/0x190 [ 257.944265][ T28] INFO: task syz-executor310:4326 blocked for more than 143 seconds. [ 257.945786][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 257.947168][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 257.968282][ T28] task:syz-executor310 state:D stack:0 pid:4326 ppid:4311 flags:0x00000005 [ 257.970172][ T28] Call trace: [ 257.970768][ T28] __switch_to+0x308/0x598 [ 257.971644][ T28] __schedule+0xef4/0x1d44 [ 257.972570][ T28] schedule+0xc4/0x170 [ 257.973389][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 257.974490][ T28] down_write_nested+0x90/0x94 [ 257.975487][ T28] do_unlinkat+0x2d0/0x70c [ 257.976363][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 257.977122][ T28] invoke_syscall+0x98/0x2bc [ 257.978074][ T28] el0_svc_common+0x138/0x258 [ 257.997116][ T28] do_el0_svc+0x58/0x13c [ 257.998116][ T28] el0_svc+0x58/0x168 [ 258.008308][ T28] el0t_64_sync_handler+0x84/0xf0 [ 258.009431][ T28] el0t_64_sync+0x18c/0x190 [ 258.010356][ T28] INFO: task syz-executor310:4329 blocked for more than 143 seconds. [ 258.011915][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 258.013361][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 258.015189][ T28] task:syz-executor310 state:D stack:0 pid:4329 ppid:4310 flags:0x00000005 [ 258.017023][ T28] Call trace: [ 258.017741][ T28] __switch_to+0x308/0x598 [ 258.038294][ T28] __schedule+0xef4/0x1d44 [ 258.039321][ T28] schedule+0xc4/0x170 [ 258.040180][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 258.041398][ T28] down_write_nested+0x90/0x94 [ 258.042323][ T28] do_unlinkat+0x2d0/0x70c [ 258.043185][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 258.044282][ T28] invoke_syscall+0x98/0x2bc [ 258.045304][ T28] el0_svc_common+0x138/0x258 [ 258.046212][ T28] do_el0_svc+0x58/0x13c [ 258.047032][ T28] el0_svc+0x58/0x168 [ 258.047850][ T28] el0t_64_sync_handler+0x84/0xf0 [ 258.078288][ T28] el0t_64_sync+0x18c/0x190 [ 258.079271][ T28] [ 258.079271][ T28] Showing all locks held in the system: [ 258.080729][ T28] 1 lock held by rcu_tasks_kthre/12: [ 258.081815][ T28] #0: ffff800015c65570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 258.083974][ T28] 1 lock held by rcu_tasks_trace/13: [ 258.085069][ T28] #0: ffff800015c65d90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 258.087442][ T28] 1 lock held by khungtaskd/28: [ 258.108288][ T28] #0: ffff800015c653a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 258.110364][ T28] 2 locks held by getty/4053: [ 258.111335][ T28] #0: ffff0000d64bc098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 258.113393][ T28] #1: ffff80001d8302f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 258.115382][ T28] 3 locks held by syz-executor310/4318: [ 258.116481][ T28] 2 locks held by syz-executor310/4325: [ 258.117490][ T28] #0: ffff0000da9c4460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 258.138287][ T28] #1: ffff0000e4cac188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 258.140461][ T28] 2 locks held by syz-executor310/4323: [ 258.141572][ T28] 2 locks held by syz-executor310/4328: [ 258.142610][ T28] #0: ffff0000dad8e460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 258.144525][ T28] #1: ffff0000e4cac6d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 258.146517][ T28] 2 locks held by syz-executor310/4320: [ 258.147584][ T28] 2 locks held by syz-executor310/4327: [ 258.168289][ T28] #0: ffff0000da8b2460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 258.170217][ T28] #1: ffff0000e4cacc18 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 258.172701][ T28] 2 locks held by syz-executor310/4321: [ 258.173773][ T28] 2 locks held by syz-executor310/4326: [ 258.174901][ T28] #0: ffff0000d50aa460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 258.176765][ T28] #1: ffff0000df2f4188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 258.208288][ T28] 2 locks held by syz-executor310/4324: [ 258.209602][ T28] 2 locks held by syz-executor310/4329: [ 258.210875][ T28] #0: ffff0000dad0c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 258.212897][ T28] #1: ffff0000df2f46d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 258.215063][ T28] [ 258.215574][ T28] ============================================= [ 258.215574][ T28] [ 258.217281][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 258.218677][ T28] CPU: 0 PID: 28 Comm: khungtaskd Tainted: G W 6.1.122-syzkaller #0 [ 258.220682][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 258.222769][ T28] Call trace: [ 258.223425][ T28] dump_backtrace+0x1c8/0x1f4 [ 258.224413][ T28] show_stack+0x2c/0x3c [ 258.225159][ T28] dump_stack_lvl+0x108/0x170 [ 258.226145][ T28] dump_stack+0x1c/0x58 [ 258.227034][ T28] panic+0x300/0x804 [ 258.227924][ T28] hung_task_panic+0x0/0x2c [ 258.228859][ T28] kthread+0x250/0x2d8 [ 258.229676][ T28] ret_from_fork+0x10/0x20 [ 258.230561][ T28] SMP: stopping secondary CPUs [ 258.231648][ T28] Kernel Offset: disabled [ 258.232597][ T28] CPU features: 0x080000,02070084,26017203 [ 258.233946][ T28] Memory Limit: none [ 258.614113][ T28] Rebooting in 86400 seconds..