Warning: Permanently added '10.128.10.27' (ED25519) to the list of known hosts. [ 121.145544][ T4042] cgroup: Unknown subsys name 'net' [ 121.438650][ T4042] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 121.827342][ T4056] loop1: detected capacity change from 0 to 128 [ 121.832225][ T4054] loop3: detected capacity change from 0 to 128 executing program executing program [ 121.851162][ T4059] loop0: detected capacity change from 0 to 128 [ 121.855054][ T4060] loop4: detected capacity change from 0 to 128 executing program [ 121.862429][ T4062] loop2: detected capacity change from 0 to 128 [ 121.866757][ T4056] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 121.870722][ T4056] attempt to access beyond end of device [ 121.870722][ T4056] loop1: rw=0, want=6491538, limit=128 [ 121.877145][ T4056] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 121.879645][ T4056] attempt to access beyond end of device [ 121.879645][ T4056] loop1: rw=0, want=17666808, limit=128 [ 121.883170][ T4056] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 121.887908][ T4054] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 121.890598][ T4056] attempt to access beyond end of device [ 121.890598][ T4056] loop1: rw=0, want=26539620, limit=128 [ 121.894152][ T4059] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 121.897684][ T4060] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 121.898690][ T4059] attempt to access beyond end of device [ 121.898690][ T4059] loop0: rw=0, want=6491538, limit=128 [ 121.900824][ T4054] attempt to access beyond end of device [ 121.900824][ T4054] loop3: rw=0, want=6491538, limit=128 [ 121.905733][ T4062] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 121.907906][ T4056] Buffer I/O error on dev loop1, logical block 13269809, async page read [ 121.909374][ T4059] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 121.910165][ T4054] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 121.912946][ T4059] attempt to access beyond end of device [ 121.912946][ T4059] loop0: rw=0, want=17666808, limit=128 [ 121.914699][ T4054] attempt to access beyond end of device [ 121.914699][ T4054] loop3: rw=0, want=17666808, limit=128 [ 121.917602][ T4059] Buffer I/O error on dev loop0, logical block 8833403, async page read [ 121.922938][ T4062] attempt to access beyond end of device [ 121.922938][ T4062] loop2: rw=0, want=6491538, limit=128 [ 121.925784][ T4062] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 121.930011][ T4060] attempt to access beyond end of device [ 121.930011][ T4060] loop4: rw=0, want=6491538, limit=128 [ 121.930243][ T4059] attempt to access beyond end of device [ 121.930243][ T4059] loop0: rw=0, want=26539620, limit=128 [ 121.933406][ T4056] Buffer I/O error on dev loop1, logical block 8073606, async page read [ 121.936978][ T4062] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 121.938177][ T4056] Buffer I/O error on dev loop1, logical block 3245771, async page read [ 284.681847][ T27] INFO: task syz-executor231:4066 blocked for more than 143 seconds. [ 284.683989][ T27] Not tainted 5.15.177-syzkaller #0 [ 284.685347][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.687441][ T27] task:syz-executor231 state:D stack: 0 pid: 4066 ppid: 4049 flags:0x00000005 [ 284.689611][ T27] Call trace: [ 284.690481][ T27] __switch_to+0x308/0x588 [ 284.691576][ T27] __schedule+0xf10/0x1e48 [ 284.701777][ T27] schedule+0x11c/0x1c8 [ 284.702853][ T27] rwsem_down_write_slowpath+0xd94/0x17e0 [ 284.704222][ T27] down_write+0xe8/0x12c [ 284.705274][ T27] path_openat+0x640/0x26cc [ 284.706357][ T27] do_filp_open+0x1a8/0x3b4 [ 284.707529][ T27] do_sys_openat2+0x128/0x3e0 [ 284.708650][ T27] __arm64_sys_openat+0x1f0/0x240 [ 284.709866][ T27] invoke_syscall+0x98/0x2b8 [ 284.710999][ T27] el0_svc_common+0x138/0x258 [ 284.741801][ T27] do_el0_svc+0x58/0x14c [ 284.742919][ T27] el0_svc+0x7c/0x1f0 [ 284.743945][ T27] el0t_64_sync_handler+0x84/0xe4 [ 284.745155][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.746270][ T27] INFO: task syz-executor231:4064 blocked for more than 143 seconds. [ 284.748207][ T27] Not tainted 5.15.177-syzkaller #0 [ 284.749548][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.751574][ T27] task:syz-executor231 state:D stack: 0 pid: 4064 ppid: 4052 flags:0x00000005 [ 284.781766][ T27] Call trace: [ 284.782621][ T27] __switch_to+0x308/0x588 [ 284.783678][ T27] __schedule+0xf10/0x1e48 [ 284.784734][ T27] schedule+0x11c/0x1c8 [ 284.785754][ T27] rwsem_down_write_slowpath+0xd94/0x17e0 [ 284.787126][ T27] down_write+0xe8/0x12c [ 284.788094][ T27] path_openat+0x640/0x26cc [ 284.789157][ T27] do_filp_open+0x1a8/0x3b4 [ 284.790198][ T27] do_sys_openat2+0x128/0x3e0 [ 284.791324][ T27] __arm64_sys_openat+0x1f0/0x240 [ 284.811674][ T27] invoke_syscall+0x98/0x2b8 [ 284.812839][ T27] el0_svc_common+0x138/0x258 [ 284.813917][ T27] do_el0_svc+0x58/0x14c [ 284.814975][ T27] el0_svc+0x7c/0x1f0 [ 284.816011][ T27] el0t_64_sync_handler+0x84/0xe4 [ 284.817145][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.841758][ T27] INFO: task syz-executor231:4065 blocked for more than 143 seconds. [ 284.843686][ T27] Not tainted 5.15.177-syzkaller #0 [ 284.844962][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.847066][ T27] task:syz-executor231 state:D stack: 0 pid: 4065 ppid: 4048 flags:0x00000005 [ 284.849283][ T27] Call trace: [ 284.850031][ T27] __switch_to+0x308/0x588 [ 284.851135][ T27] __schedule+0xf10/0x1e48 [ 284.871683][ T27] schedule+0x11c/0x1c8 [ 284.872739][ T27] rwsem_down_write_slowpath+0xd94/0x17e0 [ 284.874052][ T27] down_write+0xe8/0x12c [ 284.875070][ T27] path_openat+0x640/0x26cc [ 284.876155][ T27] do_filp_open+0x1a8/0x3b4 [ 284.877262][ T27] do_sys_openat2+0x128/0x3e0 [ 284.878396][ T27] __arm64_sys_openat+0x1f0/0x240 [ 284.879617][ T27] invoke_syscall+0x98/0x2b8 [ 284.880737][ T27] el0_svc_common+0x138/0x258 [ 284.901701][ T27] do_el0_svc+0x58/0x14c [ 284.902777][ T27] el0_svc+0x7c/0x1f0 [ 284.903797][ T27] el0t_64_sync_handler+0x84/0xe4 [ 284.905098][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.906333][ T27] INFO: task syz-executor231:4068 blocked for more than 143 seconds. [ 284.908402][ T27] Not tainted 5.15.177-syzkaller #0 [ 284.909861][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.931679][ T27] task:syz-executor231 state:D stack: 0 pid: 4068 ppid: 4050 flags:0x00000005 [ 284.934080][ T27] Call trace: [ 284.934877][ T27] __switch_to+0x308/0x588 [ 284.936040][ T27] __schedule+0xf10/0x1e48 [ 284.937191][ T27] schedule+0x11c/0x1c8 [ 284.938212][ T27] rwsem_down_write_slowpath+0xd94/0x17e0 [ 284.939607][ T27] down_write+0xe8/0x12c [ 284.940573][ T27] path_openat+0x640/0x26cc [ 284.961702][ T27] do_filp_open+0x1a8/0x3b4 [ 284.962890][ T27] do_sys_openat2+0x128/0x3e0 [ 284.964058][ T27] __arm64_sys_openat+0x1f0/0x240 [ 284.965279][ T27] invoke_syscall+0x98/0x2b8 [ 284.966447][ T27] el0_svc_common+0x138/0x258 [ 284.967565][ T27] do_el0_svc+0x58/0x14c [ 284.968636][ T27] el0_svc+0x7c/0x1f0 [ 284.969713][ T27] el0t_64_sync_handler+0x84/0xe4 [ 284.971085][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.991792][ T27] INFO: task syz-executor231:4067 blocked for more than 143 seconds. [ 284.993888][ T27] Not tainted 5.15.177-syzkaller #0 [ 284.995288][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.997432][ T27] task:syz-executor231 state:D stack: 0 pid: 4067 ppid: 4051 flags:0x00000005 [ 284.999733][ T27] Call trace: [ 285.000508][ T27] __switch_to+0x308/0x588 [ 285.001535][ T27] __schedule+0xf10/0x1e48 [ 285.031682][ T27] schedule+0x11c/0x1c8 [ 285.032816][ T27] rwsem_down_write_slowpath+0xd94/0x17e0 [ 285.034214][ T27] down_write+0xe8/0x12c [ 285.035284][ T27] path_openat+0x640/0x26cc [ 285.036392][ T27] do_filp_open+0x1a8/0x3b4 [ 285.037541][ T27] do_sys_openat2+0x128/0x3e0 [ 285.038736][ T27] __arm64_sys_openat+0x1f0/0x240 [ 285.040008][ T27] invoke_syscall+0x98/0x2b8 [ 285.041122][ T27] el0_svc_common+0x138/0x258 [ 285.061713][ T27] do_el0_svc+0x58/0x14c [ 285.062881][ T27] el0_svc+0x7c/0x1f0 [ 285.063960][ T27] el0t_64_sync_handler+0x84/0xe4 [ 285.065265][ T27] el0t_64_sync+0x1a0/0x1a4 [ 285.066439][ T27] [ 285.066439][ T27] Showing all locks held in the system: [ 285.068445][ T27] 1 lock held by khungtaskd/27: [ 285.069808][ T27] #0: ffff800014d42360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 285.091701][ T27] 2 locks held by getty/3789: [ 285.092932][ T27] #0: ffff0000d333d098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 285.095355][ T27] #1: ffff80001d63e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 [ 285.097925][ T27] 2 locks held by syz-executor231/4054: [ 285.099299][ T27] 2 locks held by syz-executor231/4066: [ 285.100611][ T27] #0: ffff0000d7a94460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.131679][ T27] #1: ffff0000d3ea0188 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x640/0x26cc [ 285.134390][ T27] 3 locks held by syz-executor231/4056: [ 285.135808][ T27] 2 locks held by syz-executor231/4064: [ 285.137198][ T27] #0: ffff0000ce22c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.139525][ T27] #1: ffff0000d3f68188 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x640/0x26cc [ 285.161736][ T27] 3 locks held by syz-executor231/4059: [ 285.163163][ T27] 2 locks held by syz-executor231/4065: [ 285.164594][ T27] #0: ffff0000ce132460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.167017][ T27] #1: ffff0000d3f686d0 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x640/0x26cc [ 285.169699][ T27] 2 locks held by syz-executor231/4060: [ 285.171082][ T27] 2 locks held by syz-executor231/4068: [ 285.201697][ T27] #0: ffff0000cc14c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.204188][ T27] #1: ffff0000d3ea06d0 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x640/0x26cc [ 285.206716][ T27] 2 locks held by syz-executor231/4062: [ 285.208135][ T27] 2 locks held by syz-executor231/4067: [ 285.209505][ T27] #0: ffff0000da886460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.231673][ T27] #1: ffff0000d3ea0c18 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x640/0x26cc [ 285.234262][ T27] [ 285.234862][ T27] ============================================= [ 285.234862][ T27] [ 285.237073][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 285.238788][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.177-syzkaller #0 [ 285.240717][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 285.243210][ T27] Call trace: [ 285.244098][ T27] dump_backtrace+0x0/0x530 [ 285.245257][ T27] show_stack+0x2c/0x3c [ 285.246427][ T27] dump_stack_lvl+0x108/0x170 [ 285.247648][ T27] dump_stack+0x1c/0x58 [ 285.248724][ T27] panic+0x304/0x8bc [ 285.249726][ T27] hung_task_panic+0x0/0x2c [ 285.250874][ T27] kthread+0x37c/0x45c [ 285.251956][ T27] ret_from_fork+0x10/0x20 [ 285.253141][ T27] SMP: stopping secondary CPUs [ 285.254371][ T27] Kernel Offset: disabled [ 285.255519][ T27] CPU features: 0x8,000081c1,21302e40 [ 285.256843][ T27] Memory Limit: none [ 285.631581][ T27] Rebooting in 86400 seconds..