Warning: Permanently added '10.128.0.185' (ED25519) to the list of known hosts. [ 338.968927][ T4320] cgroup: Unknown subsys name 'net' [ 339.255586][ T4320] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 339.686791][ T4335] loop2: detected capacity change from 0 to 128 executing program [ 339.695276][ T4337] loop3: detected capacity change from 0 to 128 executing program [ 339.703496][ T4340] loop0: detected capacity change from 0 to 128 [ 339.707060][ T4335] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 339.712114][ T4335] syz-executor205: attempt to access beyond end of device executing program [ 339.712114][ T4335] loop2: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 339.715146][ T4335] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 339.717101][ T4337] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 339.719691][ T4337] syz-executor205: attempt to access beyond end of device [ 339.719691][ T4337] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 339.725300][ T4344] loop1: detected capacity change from 0 to 128 [ 339.725618][ T4343] loop4: detected capacity change from 0 to 128 [ 339.729798][ T4340] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 339.732228][ T4335] syz-executor205: attempt to access beyond end of device [ 339.732228][ T4335] loop2: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 339.735258][ T4335] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 339.737060][ T4335] syz-executor205: attempt to access beyond end of device [ 339.737060][ T4335] loop2: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 339.738594][ T4344] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 339.740050][ T4335] Buffer I/O error on dev loop2, logical block 13269809, async page read [ 339.743182][ T4344] syz-executor205: attempt to access beyond end of device [ 339.743182][ T4344] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 339.744878][ T4340] syz-executor205: attempt to access beyond end of device [ 339.744878][ T4340] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 339.747084][ T4344] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 339.749469][ T4340] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 339.749511][ T4340] syz-executor205: attempt to access beyond end of device [ 339.749511][ T4340] loop0: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 339.756671][ T4337] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 339.757100][ T4344] syz-executor205: attempt to access beyond end of device [ 339.757100][ T4344] loop1: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 339.758524][ T4337] syz-executor205: attempt to access beyond end of device [ 339.758524][ T4337] loop3: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 339.764658][ T4343] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 339.766352][ T4337] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 339.768117][ T4337] syz-executor205: attempt to access beyond end of device [ 339.768117][ T4337] loop3: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 339.771396][ T4344] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 339.772270][ T4335] Buffer I/O error on dev loop2, logical block 8073606, async page read [ 339.774903][ T4344] Buffer I/O error on dev loop1, logical block 13269809, async page read [ 502.900400][ T28] INFO: task syz-executor205:4345 blocked for more than 143 seconds. [ 502.902097][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 502.903598][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 502.905338][ T28] task:syz-executor205 state:D stack:0 pid:4345 ppid:4332 flags:0x0000000d [ 502.907121][ T28] Call trace: [ 502.907850][ T28] __switch_to+0x308/0x598 [ 502.908718][ T28] __schedule+0xef4/0x1d44 [ 502.909597][ T28] schedule+0xc4/0x170 [ 502.930286][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 502.931489][ T28] down_write_nested+0x90/0x94 [ 502.932439][ T28] do_unlinkat+0x2d0/0x70c [ 502.933328][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 502.934448][ T28] invoke_syscall+0x98/0x2bc [ 502.935404][ T28] el0_svc_common+0x138/0x258 [ 502.936296][ T28] do_el0_svc+0x58/0x13c [ 502.937203][ T28] el0_svc+0x58/0x168 [ 502.938038][ T28] el0t_64_sync_handler+0x84/0xf0 [ 502.939067][ T28] el0t_64_sync+0x18c/0x190 [ 502.939956][ T28] INFO: task syz-executor205:4346 blocked for more than 143 seconds. [ 502.960300][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 502.961889][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 502.963558][ T28] task:syz-executor205 state:D stack:0 pid:4346 ppid:4330 flags:0x00000005 [ 502.965362][ T28] Call trace: [ 502.965980][ T28] __switch_to+0x308/0x598 [ 502.966880][ T28] __schedule+0xef4/0x1d44 [ 502.967806][ T28] schedule+0xc4/0x170 [ 502.968526][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 502.969708][ T28] down_write_nested+0x90/0x94 [ 503.000293][ T28] do_unlinkat+0x2d0/0x70c [ 503.001280][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 503.002327][ T28] invoke_syscall+0x98/0x2bc [ 503.003259][ T28] el0_svc_common+0x138/0x258 [ 503.004139][ T28] do_el0_svc+0x58/0x13c [ 503.005012][ T28] el0_svc+0x58/0x168 [ 503.005868][ T28] el0t_64_sync_handler+0x84/0xf0 [ 503.006837][ T28] el0t_64_sync+0x18c/0x190 [ 503.007641][ T28] INFO: task syz-executor205:4347 blocked for more than 143 seconds. [ 503.009144][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 503.027783][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 503.029689][ T28] task:syz-executor205 state:D stack:0 pid:4347 ppid:4329 flags:0x00000005 [ 503.040308][ T28] Call trace: [ 503.040996][ T28] __switch_to+0x308/0x598 [ 503.041900][ T28] __schedule+0xef4/0x1d44 [ 503.042787][ T28] schedule+0xc4/0x170 [ 503.043651][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 503.044832][ T28] down_write_nested+0x90/0x94 [ 503.045863][ T28] do_unlinkat+0x2d0/0x70c [ 503.046680][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 503.047734][ T28] invoke_syscall+0x98/0x2bc [ 503.048732][ T28] el0_svc_common+0x138/0x258 [ 503.049664][ T28] do_el0_svc+0x58/0x13c [ 503.070275][ T28] el0_svc+0x58/0x168 [ 503.071148][ T28] el0t_64_sync_handler+0x84/0xf0 [ 503.072108][ T28] el0t_64_sync+0x18c/0x190 [ 503.073146][ T28] INFO: task syz-executor205:4348 blocked for more than 143 seconds. [ 503.074852][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 503.076240][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 503.077999][ T28] task:syz-executor205 state:D stack:0 pid:4348 ppid:4333 flags:0x0000000d [ 503.079794][ T28] Call trace: [ 503.100334][ T28] __switch_to+0x308/0x598 [ 503.101330][ T28] __schedule+0xef4/0x1d44 [ 503.102281][ T28] schedule+0xc4/0x170 [ 503.103081][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 503.104296][ T28] down_write_nested+0x90/0x94 [ 503.105302][ T28] do_unlinkat+0x2d0/0x70c [ 503.106265][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 503.107274][ T28] invoke_syscall+0x98/0x2bc [ 503.108231][ T28] el0_svc_common+0x138/0x258 [ 503.109202][ T28] do_el0_svc+0x58/0x13c [ 503.110108][ T28] el0_svc+0x58/0x168 [ 503.130281][ T28] el0t_64_sync_handler+0x84/0xf0 [ 503.131401][ T28] el0t_64_sync+0x18c/0x190 [ 503.132422][ T28] INFO: task syz-executor205:4349 blocked for more than 143 seconds. [ 503.134087][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 503.135428][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 503.137070][ T28] task:syz-executor205 state:D stack:0 pid:4349 ppid:4331 flags:0x00000005 [ 503.138990][ T28] Call trace: [ 503.139738][ T28] __switch_to+0x308/0x598 [ 503.170277][ T28] __schedule+0xef4/0x1d44 [ 503.171265][ T28] schedule+0xc4/0x170 [ 503.172130][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 503.173261][ T28] down_write_nested+0x90/0x94 [ 503.174319][ T28] do_unlinkat+0x2d0/0x70c [ 503.175300][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 503.176340][ T28] invoke_syscall+0x98/0x2bc [ 503.177241][ T28] el0_svc_common+0x138/0x258 [ 503.178197][ T28] do_el0_svc+0x58/0x13c [ 503.179218][ T28] el0_svc+0x58/0x168 [ 503.180061][ T28] el0t_64_sync_handler+0x84/0xf0 [ 503.200297][ T28] el0t_64_sync+0x18c/0x190 [ 503.201276][ T28] [ 503.201276][ T28] Showing all locks held in the system: [ 503.202744][ T28] 1 lock held by rcu_tasks_kthre/12: [ 503.203725][ T28] #0: ffff800015c65570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 503.205969][ T28] 1 lock held by rcu_tasks_trace/13: [ 503.207054][ T28] #0: ffff800015c65d90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 503.209221][ T28] 1 lock held by khungtaskd/28: [ 503.210181][ T28] #0: ffff800015c653a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 503.232343][ T28] 2 locks held by getty/4052: [ 503.233354][ T28] #0: ffff0000d6664098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 503.235387][ T28] #1: ffff80001d8302f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 503.237730][ T28] 2 locks held by syz-executor205/4335: [ 503.238771][ T28] 2 locks held by syz-executor205/4345: [ 503.239824][ T28] #0: ffff0000daee8460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 503.270275][ T28] #1: ffff0000df338188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 503.272655][ T28] 2 locks held by syz-executor205/4337: [ 503.273796][ T28] 2 locks held by syz-executor205/4346: [ 503.274828][ T28] #0: ffff0000db04a460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 503.276687][ T28] #1: ffff0000df3386d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 503.278844][ T28] 2 locks held by syz-executor205/4340: [ 503.279979][ T28] 2 locks held by syz-executor205/4347: [ 503.300293][ T28] #0: ffff0000daf7a460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 503.302363][ T28] #1: ffff0000df338c18 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 503.304553][ T28] 2 locks held by syz-executor205/4344: [ 503.305626][ T28] 2 locks held by syz-executor205/4348: [ 503.306740][ T28] #0: ffff0000db05e460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 503.308543][ T28] #1: ffff0000e4558188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 503.330286][ T28] 2 locks held by syz-executor205/4343: [ 503.331446][ T28] 2 locks held by syz-executor205/4349: [ 503.332545][ T28] #0: ffff0000daeae460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 503.334476][ T28] #1: ffff0000df339160 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 503.336597][ T28] [ 503.337177][ T28] ============================================= [ 503.337177][ T28] [ 503.338789][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 503.340058][ T28] CPU: 0 PID: 28 Comm: khungtaskd Tainted: G W 6.1.122-syzkaller #0 [ 503.342039][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 503.344048][ T28] Call trace: [ 503.344731][ T28] dump_backtrace+0x1c8/0x1f4 [ 503.345657][ T28] show_stack+0x2c/0x3c [ 503.346461][ T28] dump_stack_lvl+0x108/0x170 [ 503.347496][ T28] dump_stack+0x1c/0x58 [ 503.348353][ T28] panic+0x300/0x804 [ 503.349221][ T28] hung_task_panic+0x0/0x2c [ 503.350145][ T28] kthread+0x250/0x2d8 [ 503.351111][ T28] ret_from_fork+0x10/0x20 [ 503.351980][ T28] SMP: stopping secondary CPUs [ 503.352971][ T28] Kernel Offset: disabled [ 503.353858][ T28] CPU features: 0x080000,02070084,26017203 [ 503.355051][ T28] Memory Limit: none [ 503.692408][ T28] Rebooting in 86400 seconds..