Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts. [ 229.980166][ T4313] cgroup: Unknown subsys name 'net' [ 230.242776][ T4313] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 230.684517][ T4328] loop4: detected capacity change from 0 to 128 executing program [ 230.703237][ T4327] loop3: detected capacity change from 0 to 128 executing program [ 230.711626][ T4335] loop0: detected capacity change from 0 to 128 [ 230.715964][ T4327] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 230.718332][ T4328] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 230.718418][ T4335] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 230.722074][ T4327] syz-executor107: attempt to access beyond end of device [ 230.722074][ T4327] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 230.726657][ T4327] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 230.726785][ T4334] loop2: detected capacity change from 0 to 128 [ 230.728427][ T4332] loop1: detected capacity change from 0 to 128 [ 230.729869][ T4332] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 230.732424][ T4334] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 230.733066][ T4328] syz-executor107: attempt to access beyond end of device [ 230.733066][ T4328] loop4: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 230.736249][ T4334] syz-executor107: attempt to access beyond end of device [ 230.736249][ T4334] loop2: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 230.737789][ T4327] syz-executor107: attempt to access beyond end of device [ 230.737789][ T4327] loop3: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 230.742073][ T4335] syz-executor107: attempt to access beyond end of device [ 230.742073][ T4335] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 230.743156][ T4327] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 230.746137][ T4335] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 230.749018][ T4328] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 230.750487][ T4334] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 230.751806][ T4332] syz-executor107: attempt to access beyond end of device [ 230.751806][ T4332] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 230.753429][ T4334] syz-executor107: attempt to access beyond end of device [ 230.753429][ T4334] loop2: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 230.756193][ T4332] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 230.761031][ T4328] syz-executor107: attempt to access beyond end of device [ 230.761031][ T4328] loop4: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 230.763750][ T4328] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 230.765493][ T4328] syz-executor107: attempt to access beyond end of device [ 230.765493][ T4328] loop4: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 230.767991][ T4335] syz-executor107: attempt to access beyond end of device [ 230.767991][ T4335] loop0: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 230.768652][ T4327] Buffer I/O error on dev loop3, logical block 13269809, async page read [ 230.772480][ T4335] Buffer I/O error on dev loop0, logical block 8833403, async page read [ 230.774278][ T4332] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 393.447586][ T28] INFO: task syz-executor107:4337 blocked for more than 143 seconds. [ 393.449357][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 393.450986][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 393.452767][ T28] task:syz-executor107 state:D stack:0 pid:4337 ppid:4321 flags:0x00000005 [ 393.454523][ T28] Call trace: [ 393.455200][ T28] __switch_to+0x308/0x598 [ 393.456088][ T28] __schedule+0xef4/0x1d44 [ 393.456915][ T28] schedule+0xc4/0x170 [ 393.467435][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 393.468726][ T28] down_write_nested+0x90/0x94 [ 393.469702][ T28] do_unlinkat+0x2d0/0x70c [ 393.470587][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 393.471584][ T28] invoke_syscall+0x98/0x2bc [ 393.472465][ T28] el0_svc_common+0x138/0x258 [ 393.473347][ T28] do_el0_svc+0x58/0x13c [ 393.474150][ T28] el0_svc+0x58/0x168 [ 393.474903][ T28] el0t_64_sync_handler+0x84/0xf0 [ 393.475854][ T28] el0t_64_sync+0x18c/0x190 [ 393.476779][ T28] INFO: task syz-executor107:4336 blocked for more than 143 seconds. [ 393.497441][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 393.498862][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 393.500592][ T28] task:syz-executor107 state:D stack:0 pid:4336 ppid:4322 flags:0x00000005 [ 393.502332][ T28] Call trace: [ 393.502968][ T28] __switch_to+0x308/0x598 [ 393.503829][ T28] __schedule+0xef4/0x1d44 [ 393.504691][ T28] schedule+0xc4/0x170 [ 393.505484][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 393.506592][ T28] down_write_nested+0x90/0x94 [ 393.527588][ T28] do_unlinkat+0x2d0/0x70c [ 393.528598][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 393.529553][ T28] invoke_syscall+0x98/0x2bc [ 393.530459][ T28] el0_svc_common+0x138/0x258 [ 393.531323][ T28] do_el0_svc+0x58/0x13c [ 393.532164][ T28] el0_svc+0x58/0x168 [ 393.532957][ T28] el0t_64_sync_handler+0x84/0xf0 [ 393.533936][ T28] el0t_64_sync+0x18c/0x190 [ 393.534807][ T28] INFO: task syz-executor107:4338 blocked for more than 143 seconds. [ 393.536396][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 393.567501][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 393.569366][ T28] task:syz-executor107 state:D stack:0 pid:4338 ppid:4323 flags:0x0000000d [ 393.571202][ T28] Call trace: [ 393.571810][ T28] __switch_to+0x308/0x598 [ 393.572667][ T28] __schedule+0xef4/0x1d44 [ 393.573528][ T28] schedule+0xc4/0x170 [ 393.574319][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 393.575405][ T28] down_write_nested+0x90/0x94 [ 393.576326][ T28] do_unlinkat+0x2d0/0x70c [ 393.577195][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 393.594204][ T28] invoke_syscall+0x98/0x2bc [ 393.595206][ T28] el0_svc_common+0x138/0x258 [ 393.596107][ T28] do_el0_svc+0x58/0x13c [ 393.596937][ T28] el0_svc+0x58/0x168 [ 393.607520][ T28] el0t_64_sync_handler+0x84/0xf0 [ 393.608627][ T28] el0t_64_sync+0x18c/0x190 [ 393.617641][ T28] INFO: task syz-executor107:4340 blocked for more than 143 seconds. [ 393.619357][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 393.620730][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 393.622471][ T28] task:syz-executor107 state:D stack:0 pid:4340 ppid:4324 flags:0x00000005 [ 393.624235][ T28] Call trace: [ 393.624857][ T28] __switch_to+0x308/0x598 [ 393.625752][ T28] __schedule+0xef4/0x1d44 [ 393.626613][ T28] schedule+0xc4/0x170 [ 393.647437][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 393.648672][ T28] down_write_nested+0x90/0x94 [ 393.649640][ T28] do_unlinkat+0x2d0/0x70c [ 393.650460][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 393.651508][ T28] invoke_syscall+0x98/0x2bc [ 393.652364][ T28] el0_svc_common+0x138/0x258 [ 393.653326][ T28] do_el0_svc+0x58/0x13c [ 393.654182][ T28] el0_svc+0x58/0x168 [ 393.654943][ T28] el0t_64_sync_handler+0x84/0xf0 [ 393.655884][ T28] el0t_64_sync+0x18c/0x190 [ 393.656724][ T28] INFO: task syz-executor107:4339 blocked for more than 143 seconds. [ 393.677439][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 393.678921][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 393.680540][ T28] task:syz-executor107 state:D stack:0 pid:4339 ppid:4320 flags:0x00000005 [ 393.682287][ T28] Call trace: [ 393.682972][ T28] __switch_to+0x308/0x598 [ 393.683827][ T28] __schedule+0xef4/0x1d44 [ 393.684667][ T28] schedule+0xc4/0x170 [ 393.685424][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 393.686679][ T28] down_write_nested+0x90/0x94 [ 393.707439][ T28] do_unlinkat+0x2d0/0x70c [ 393.708466][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 393.709458][ T28] invoke_syscall+0x98/0x2bc [ 393.710293][ T28] el0_svc_common+0x138/0x258 [ 393.711237][ T28] do_el0_svc+0x58/0x13c [ 393.712114][ T28] el0_svc+0x58/0x168 [ 393.712876][ T28] el0t_64_sync_handler+0x84/0xf0 [ 393.713913][ T28] el0t_64_sync+0x18c/0x190 [ 393.714802][ T28] [ 393.714802][ T28] Showing all locks held in the system: [ 393.716312][ T28] 1 lock held by rcu_tasks_kthre/12: [ 393.717359][ T28] #0: ffff800015c65570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 393.739717][ T28] 1 lock held by rcu_tasks_trace/13: [ 393.740857][ T28] #0: ffff800015c65d90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 393.743113][ T28] 1 lock held by khungtaskd/28: [ 393.744102][ T28] #0: ffff800015c653a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 393.745947][ T28] 2 locks held by getty/4052: [ 393.746871][ T28] #0: ffff0000d6245098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 393.777438][ T28] #1: ffff80001d8302f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 393.779563][ T28] 2 locks held by syz-executor107/4328: [ 393.780637][ T28] 2 locks held by syz-executor107/4337: [ 393.781762][ T28] #0: ffff0000d1650460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 393.783627][ T28] #1: ffff0000e4ce8188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 393.785660][ T28] 3 locks held by syz-executor107/4327: [ 393.786709][ T28] 2 locks held by syz-executor107/4336: [ 393.807501][ T28] #0: ffff0000d9244460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 393.809701][ T28] #1: ffff0000e4ce86d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 393.811776][ T28] 3 locks held by syz-executor107/4334: [ 393.812934][ T28] 2 locks held by syz-executor107/4338: [ 393.814072][ T28] #0: ffff0000d08e2460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 393.815977][ T28] #1: ffff0000e4cb0188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 393.837451][ T28] 2 locks held by syz-executor107/4332: [ 393.838704][ T28] 2 locks held by syz-executor107/4340: [ 393.839813][ T28] #0: ffff0000de9de460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 393.841700][ T28] #1: ffff0000e4ce8c18 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 393.843738][ T28] 3 locks held by syz-executor107/4335: [ 393.844905][ T28] 2 locks held by syz-executor107/4339: [ 393.845967][ T28] #0: ffff0000cdbde460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 393.877440][ T28] #1: ffff0000e4cb06d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 393.879700][ T28] [ 393.880153][ T28] ============================================= [ 393.880153][ T28] [ 393.881855][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 393.883197][ T28] CPU: 0 PID: 28 Comm: khungtaskd Tainted: G W 6.1.122-syzkaller #0 [ 393.884974][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 393.886905][ T28] Call trace: [ 393.887642][ T28] dump_backtrace+0x1c8/0x1f4 [ 393.888586][ T28] show_stack+0x2c/0x3c [ 393.889469][ T28] dump_stack_lvl+0x108/0x170 [ 393.890352][ T28] dump_stack+0x1c/0x58 [ 393.891133][ T28] panic+0x300/0x804 [ 393.891951][ T28] hung_task_panic+0x0/0x2c [ 393.892912][ T28] kthread+0x250/0x2d8 [ 393.893690][ T28] ret_from_fork+0x10/0x20 [ 393.894522][ T28] SMP: stopping secondary CPUs [ 393.895625][ T28] Kernel Offset: disabled [ 393.896539][ T28] CPU features: 0x080000,02070084,26017203 [ 393.897776][ T28] Memory Limit: none [ 394.251434][ T28] Rebooting in 86400 seconds..