Warning: Permanently added '10.128.0.104' (ED25519) to the list of known hosts. [ 107.255140][ T4308] cgroup: Unknown subsys name 'net' [ 107.501374][ T4308] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 107.771466][ T4308] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS executing program executing program [ 107.961450][ T4321] loop0: detected capacity change from 0 to 128 executing program executing program [ 107.975054][ T4326] loop2: detected capacity change from 0 to 128 [ 107.976844][ T4321] VFS: Found a Xenix FS (block size = 1024) on device loop0 executing program [ 107.981277][ T4327] loop3: detected capacity change from 0 to 128 [ 107.988114][ T4326] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 107.989003][ T4321] syz-executor291: attempt to access beyond end of device [ 107.989003][ T4321] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 107.993104][ T4321] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 107.994879][ T4321] syz-executor291: attempt to access beyond end of device [ 107.994879][ T4321] loop0: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 107.996826][ T4330] loop4: detected capacity change from 0 to 128 [ 107.999350][ T4329] loop1: detected capacity change from 0 to 128 [ 107.999486][ T4326] syz-executor291: attempt to access beyond end of device [ 107.999486][ T4326] loop2: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 108.002008][ T4329] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 108.003509][ T4327] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 108.005220][ T4321] Buffer I/O error on dev loop0, logical block 8833403, async page read [ 108.009849][ T4321] syz-executor291: attempt to access beyond end of device [ 108.009849][ T4321] loop0: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 108.009989][ T4330] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 108.012567][ T4321] Buffer I/O error on dev loop0, logical block 13269809, async page read [ 108.014394][ T4326] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 108.017264][ T4329] syz-executor291: attempt to access beyond end of device [ 108.017264][ T4329] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 108.021580][ T4329] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 108.022448][ T4327] syz-executor291: attempt to access beyond end of device [ 108.022448][ T4327] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 108.023323][ T4329] syz-executor291: attempt to access beyond end of device [ 108.023323][ T4329] loop1: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 108.026849][ T4326] syz-executor291: attempt to access beyond end of device [ 108.026849][ T4326] loop2: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 108.029753][ T4321] syz-executor291: attempt to access beyond end of device [ 108.029753][ T4321] loop0: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 108.033042][ T4330] syz-executor291: attempt to access beyond end of device [ 108.033042][ T4330] loop4: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 108.034723][ T4321] Buffer I/O error on dev loop0, logical block 8073606, async page read [ 108.038139][ T4327] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 108.041512][ T4329] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 108.043259][ T4329] Buffer I/O error on dev loop1, logical block 13269809, async page read [ 108.045042][ T4329] Buffer I/O error on dev loop1, logical block 8073606, async page read [ 284.656123][ T28] INFO: task syz-executor291:4331 blocked for more than 143 seconds. [ 284.657921][ T28] Tainted: G W 6.1.121-syzkaller #0 [ 284.659397][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.661068][ T28] task:syz-executor291 state:D stack:0 pid:4331 ppid:4315 flags:0x00000005 [ 284.662967][ T28] Call trace: [ 284.663597][ T28] __switch_to+0x308/0x598 [ 284.664477][ T28] __schedule+0xef4/0x1d44 [ 284.665365][ T28] schedule+0xc4/0x170 [ 284.675986][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.677225][ T28] down_write+0x84/0x88 [ 284.677986][ T28] path_openat+0x5ec/0x2548 [ 284.678863][ T28] do_filp_open+0x1bc/0x3cc [ 284.679737][ T28] do_sys_openat2+0x128/0x3e0 [ 284.680673][ T28] __arm64_sys_openat+0x1f0/0x240 [ 284.681646][ T28] invoke_syscall+0x98/0x2bc [ 284.682567][ T28] el0_svc_common+0x138/0x258 [ 284.683500][ T28] do_el0_svc+0x58/0x13c [ 284.684348][ T28] el0_svc+0x58/0x168 [ 284.685108][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.705982][ T28] el0t_64_sync+0x18c/0x190 [ 284.706908][ T28] INFO: task syz-executor291:4334 blocked for more than 143 seconds. [ 284.708531][ T28] Tainted: G W 6.1.121-syzkaller #0 [ 284.709856][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.711538][ T28] task:syz-executor291 state:D stack:0 pid:4334 ppid:4317 flags:0x00000005 [ 284.713334][ T28] Call trace: [ 284.713977][ T28] __switch_to+0x308/0x598 [ 284.714834][ T28] __schedule+0xef4/0x1d44 [ 284.715728][ T28] schedule+0xc4/0x170 [ 284.735982][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.737318][ T28] down_write+0x84/0x88 [ 284.738170][ T28] path_openat+0x5ec/0x2548 [ 284.738999][ T28] do_filp_open+0x1bc/0x3cc [ 284.739912][ T28] do_sys_openat2+0x128/0x3e0 [ 284.740786][ T28] __arm64_sys_openat+0x1f0/0x240 [ 284.741852][ T28] invoke_syscall+0x98/0x2bc [ 284.742836][ T28] el0_svc_common+0x138/0x258 [ 284.743753][ T28] do_el0_svc+0x58/0x13c [ 284.744586][ T28] el0_svc+0x58/0x168 [ 284.745372][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.776003][ T28] el0t_64_sync+0x18c/0x190 [ 284.777035][ T28] INFO: task syz-executor291:4332 blocked for more than 143 seconds. [ 284.778604][ T28] Tainted: G W 6.1.121-syzkaller #0 [ 284.780040][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.781729][ T28] task:syz-executor291 state:D stack:0 pid:4332 ppid:4316 flags:0x0000000d [ 284.783519][ T28] Call trace: [ 284.784139][ T28] __switch_to+0x308/0x598 [ 284.784997][ T28] __schedule+0xef4/0x1d44 [ 284.805987][ T28] schedule+0xc4/0x170 [ 284.807036][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.808190][ T28] down_write+0x84/0x88 [ 284.809019][ T28] path_openat+0x5ec/0x2548 [ 284.809955][ T28] do_filp_open+0x1bc/0x3cc [ 284.810931][ T28] do_sys_openat2+0x128/0x3e0 [ 284.811844][ T28] __arm64_sys_openat+0x1f0/0x240 [ 284.812820][ T28] invoke_syscall+0x98/0x2bc [ 284.813712][ T28] el0_svc_common+0x138/0x258 [ 284.814638][ T28] do_el0_svc+0x58/0x13c [ 284.815494][ T28] el0_svc+0x58/0x168 [ 284.836003][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.837101][ T28] el0t_64_sync+0x18c/0x190 [ 284.838013][ T28] INFO: task syz-executor291:4335 blocked for more than 143 seconds. [ 284.839669][ T28] Tainted: G W 6.1.121-syzkaller #0 [ 284.841070][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.842764][ T28] task:syz-executor291 state:D stack:0 pid:4335 ppid:4319 flags:0x00000005 [ 284.844536][ T28] Call trace: [ 284.845175][ T28] __switch_to+0x308/0x598 [ 284.865984][ T28] __schedule+0xef4/0x1d44 [ 284.866887][ T28] schedule+0xc4/0x170 [ 284.867788][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.868961][ T28] down_write+0x84/0x88 [ 284.869785][ T28] path_openat+0x5ec/0x2548 [ 284.870730][ T28] do_filp_open+0x1bc/0x3cc [ 284.871599][ T28] do_sys_openat2+0x128/0x3e0 [ 284.872504][ T28] __arm64_sys_openat+0x1f0/0x240 [ 284.873468][ T28] invoke_syscall+0x98/0x2bc [ 284.874373][ T28] el0_svc_common+0x138/0x258 [ 284.875349][ T28] do_el0_svc+0x58/0x13c [ 284.895111][ T28] el0_svc+0x58/0x168 [ 284.905984][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.907124][ T28] el0t_64_sync+0x18c/0x190 [ 284.908040][ T28] INFO: task syz-executor291:4333 blocked for more than 143 seconds. [ 284.909620][ T28] Tainted: G W 6.1.121-syzkaller #0 [ 284.910940][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.912586][ T28] task:syz-executor291 state:D stack:0 pid:4333 ppid:4318 flags:0x00000005 [ 284.914354][ T28] Call trace: [ 284.914985][ T28] __switch_to+0x308/0x598 [ 284.915825][ T28] __schedule+0xef4/0x1d44 [ 284.935983][ T28] schedule+0xc4/0x170 [ 284.936880][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 284.938016][ T28] down_write+0x84/0x88 [ 284.938860][ T28] path_openat+0x5ec/0x2548 [ 284.939720][ T28] do_filp_open+0x1bc/0x3cc [ 284.940612][ T28] do_sys_openat2+0x128/0x3e0 [ 284.941538][ T28] __arm64_sys_openat+0x1f0/0x240 [ 284.942629][ T28] invoke_syscall+0x98/0x2bc [ 284.943542][ T28] el0_svc_common+0x138/0x258 [ 284.944495][ T28] do_el0_svc+0x58/0x13c [ 284.945387][ T28] el0_svc+0x58/0x168 [ 284.965984][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.967076][ T28] el0t_64_sync+0x18c/0x190 [ 284.967991][ T28] [ 284.967991][ T28] Showing all locks held in the system: [ 284.969543][ T28] 1 lock held by rcu_tasks_kthre/12: [ 284.970534][ T28] #0: ffff800015c65570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 284.972526][ T28] 1 lock held by rcu_tasks_trace/13: [ 284.973603][ T28] #0: ffff800015c65d90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 284.975770][ T28] 1 lock held by khungtaskd/28: [ 284.995980][ T28] #0: ffff800015c653a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 284.997952][ T28] 2 locks held by getty/4057: [ 284.998879][ T28] #0: ffff0000d646d098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 285.000734][ T28] #1: ffff80001d8302f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 285.002968][ T28] 2 locks held by syz-executor291/4321: [ 285.004122][ T28] 2 locks held by syz-executor291/4331: [ 285.005187][ T28] #0: ffff0000c3e3e460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.035982][ T28] #1: ffff0000e4cd8188 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x5ec/0x2548 [ 285.038099][ T28] 3 locks held by syz-executor291/4327: [ 285.039192][ T28] 2 locks held by syz-executor291/4334: [ 285.040269][ T28] #0: ffff0000d4bca460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.042209][ T28] #1: ffff0000e4ca86d0 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x5ec/0x2548 [ 285.044233][ T28] 3 locks held by syz-executor291/4326: [ 285.045222][ T28] 2 locks held by syz-executor291/4332: [ 285.065991][ T28] #0: ffff0000db462460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.068100][ T28] #1: ffff0000e4ca8188 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x5ec/0x2548 [ 285.070025][ T28] 2 locks held by syz-executor291/4330: [ 285.071134][ T28] 2 locks held by syz-executor291/4335: [ 285.072246][ T28] #0: ffff0000d4f0c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.074021][ T28] #1: ffff0000e4ca8c18 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x5ec/0x2548 [ 285.095976][ T28] 3 locks held by syz-executor291/4329: [ 285.097203][ T28] 2 locks held by syz-executor291/4333: [ 285.098246][ T28] #0: ffff0000db7b2460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 285.100051][ T28] #1: ffff0000e4cd86d0 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: path_openat+0x5ec/0x2548 [ 285.106223][ T28] [ 285.106819][ T28] ============================================= [ 285.106819][ T28] [ 285.108509][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 285.109864][ T28] CPU: 0 PID: 28 Comm: khungtaskd Tainted: G W 6.1.121-syzkaller #0 [ 285.111736][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 285.113681][ T28] Call trace: [ 285.114336][ T28] dump_backtrace+0x1c8/0x1f4 [ 285.115232][ T28] show_stack+0x2c/0x3c [ 285.116160][ T28] dump_stack_lvl+0x108/0x170 [ 285.117212][ T28] dump_stack+0x1c/0x58 [ 285.118011][ T28] panic+0x300/0x804 [ 285.118766][ T28] hung_task_panic+0x0/0x2c [ 285.119833][ T28] kthread+0x250/0x2d8 [ 285.120651][ T28] ret_from_fork+0x10/0x20 [ 285.121575][ T28] SMP: stopping secondary CPUs [ 285.122496][ T28] Kernel Offset: disabled [ 285.123408][ T28] CPU features: 0x080000,02070084,26017203 [ 285.124489][ T28] Memory Limit: none [ 285.420369][ T28] Rebooting in 86400 seconds..