Warning: Permanently added '10.128.0.67' (ED25519) to the list of known hosts. [ 255.997310][ T3988] cgroup: Unknown subsys name 'net' [ 256.210194][ T3988] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 256.647586][ T4001] loop4: detected capacity change from 0 to 128 executing program executing program [ 256.661584][ T4006] loop3: detected capacity change from 0 to 128 [ 256.662102][ T4007] loop2: detected capacity change from 0 to 128 executing program [ 256.669163][ T4003] loop0: detected capacity change from 0 to 128 [ 256.679470][ T4001] attempt to access beyond end of device [ 256.679470][ T4001] loop4: rw=0, want=6491538, limit=128 [ 256.685294][ T4009] loop1: detected capacity change from 0 to 128 [ 256.687289][ T4001] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 256.689857][ T4001] attempt to access beyond end of device [ 256.689857][ T4001] loop4: rw=0, want=17666808, limit=128 [ 256.693115][ T4001] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 256.695864][ T4001] attempt to access beyond end of device [ 256.695864][ T4001] loop4: rw=0, want=26539620, limit=128 [ 256.698917][ T4001] Buffer I/O error on dev loop4, logical block 13269809, async page read [ 256.701354][ T4001] attempt to access beyond end of device [ 256.701354][ T4001] loop4: rw=0, want=16147214, limit=128 [ 256.708751][ T4001] Buffer I/O error on dev loop4, logical block 8073606, async page read [ 256.709431][ T4006] attempt to access beyond end of device [ 256.709431][ T4006] loop3: rw=0, want=6491538, limit=128 [ 256.712749][ T4003] attempt to access beyond end of device [ 256.712749][ T4003] loop0: rw=0, want=6491538, limit=128 [ 256.714200][ T4006] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 256.717949][ T4007] attempt to access beyond end of device [ 256.717949][ T4007] loop2: rw=0, want=6491538, limit=128 [ 256.721960][ T4007] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 256.724724][ T4006] attempt to access beyond end of device [ 256.724724][ T4006] loop3: rw=0, want=17666808, limit=128 [ 256.725887][ T4003] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 256.729792][ T4006] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 256.731200][ T4001] attempt to access beyond end of device [ 256.731200][ T4001] loop4: rw=0, want=6491544, limit=128 [ 256.736084][ T4006] attempt to access beyond end of device [ 256.736084][ T4006] loop3: rw=0, want=26539620, limit=128 [ 256.736653][ T4009] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 256.741150][ T4009] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 428.024178][ T27] INFO: task syz-executor241:4011 blocked for more than 143 seconds. [ 428.026292][ T27] Not tainted 5.15.158-syzkaller #0 [ 428.027723][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.029942][ T27] task:syz-executor241 state:D stack: 0 pid: 4011 ppid: 3997 flags:0x00000005 [ 428.032273][ T27] Call trace: [ 428.033105][ T27] __switch_to+0x308/0x5e8 [ 428.044054][ T27] __schedule+0xf10/0x1e48 [ 428.045355][ T27] schedule+0x11c/0x1c8 [ 428.046382][ T27] d_wait_lookup+0x1a0/0x27c [ 428.047538][ T27] d_alloc_parallel+0x9e0/0x11bc [ 428.048795][ T27] __lookup_slow+0x108/0x388 [ 428.049925][ T27] lookup_slow+0x60/0x84 [ 428.050982][ T27] walk_component+0x394/0x4cc [ 428.052156][ T27] link_path_walk+0x5a0/0xc38 [ 428.053324][ T27] path_openat+0x1e8/0x26cc [ 428.074121][ T27] do_filp_open+0x1a8/0x3b4 [ 428.075331][ T27] do_sys_openat2+0x128/0x3d8 [ 428.076501][ T27] __arm64_sys_openat+0x1f0/0x240 [ 428.077759][ T27] invoke_syscall+0x98/0x2b8 [ 428.078888][ T27] el0_svc_common+0x138/0x258 [ 428.080040][ T27] do_el0_svc+0x58/0x14c [ 428.081080][ T27] el0_svc+0x7c/0x1f0 [ 428.082105][ T27] el0t_64_sync_handler+0x84/0xe4 [ 428.083394][ T27] el0t_64_sync+0x1a0/0x1a4 [ 428.104249][ T27] INFO: task syz-executor241:4013 blocked for more than 143 seconds. [ 428.106310][ T27] Not tainted 5.15.158-syzkaller #0 [ 428.107739][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.109911][ T27] task:syz-executor241 state:D stack: 0 pid: 4013 ppid: 3995 flags:0x00000005 [ 428.112341][ T27] Call trace: [ 428.113189][ T27] __switch_to+0x308/0x5e8 [ 428.134123][ T27] __schedule+0xf10/0x1e48 [ 428.135378][ T27] schedule+0x11c/0x1c8 [ 428.136428][ T27] d_wait_lookup+0x1a0/0x27c [ 428.137603][ T27] d_alloc_parallel+0x9e0/0x11bc [ 428.138854][ T27] __lookup_slow+0x108/0x388 [ 428.139984][ T27] lookup_slow+0x60/0x84 [ 428.141015][ T27] walk_component+0x394/0x4cc [ 428.142187][ T27] link_path_walk+0x5a0/0xc38 [ 428.143353][ T27] path_openat+0x1e8/0x26cc [ 428.164135][ T27] do_filp_open+0x1a8/0x3b4 [ 428.165276][ T27] do_sys_openat2+0x128/0x3d8 [ 428.166432][ T27] __arm64_sys_openat+0x1f0/0x240 [ 428.167759][ T27] invoke_syscall+0x98/0x2b8 [ 428.168900][ T27] el0_svc_common+0x138/0x258 [ 428.170072][ T27] do_el0_svc+0x58/0x14c [ 428.171122][ T27] el0_svc+0x7c/0x1f0 [ 428.172135][ T27] el0t_64_sync_handler+0x84/0xe4 [ 428.173377][ T27] el0t_64_sync+0x1a0/0x1a4 [ 428.204196][ T27] INFO: task syz-executor241:4014 blocked for more than 143 seconds. [ 428.206316][ T27] Not tainted 5.15.158-syzkaller #0 [ 428.207760][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.209931][ T27] task:syz-executor241 state:D stack: 0 pid: 4014 ppid: 3998 flags:0x00000005 [ 428.212189][ T27] Call trace: [ 428.213012][ T27] __switch_to+0x308/0x5e8 [ 428.234053][ T27] __schedule+0xf10/0x1e48 [ 428.235235][ T27] schedule+0x11c/0x1c8 [ 428.236277][ T27] d_wait_lookup+0x1a0/0x27c [ 428.237467][ T27] d_alloc_parallel+0x9e0/0x11bc [ 428.238763][ T27] __lookup_slow+0x108/0x388 [ 428.239939][ T27] lookup_slow+0x60/0x84 [ 428.241078][ T27] walk_component+0x394/0x4cc [ 428.242219][ T27] link_path_walk+0x5a0/0xc38 [ 428.243486][ T27] path_openat+0x1e8/0x26cc [ 428.264057][ T27] do_filp_open+0x1a8/0x3b4 [ 428.265295][ T27] do_sys_openat2+0x128/0x3d8 [ 428.266520][ T27] __arm64_sys_openat+0x1f0/0x240 [ 428.267849][ T27] invoke_syscall+0x98/0x2b8 [ 428.269050][ T27] el0_svc_common+0x138/0x258 [ 428.270230][ T27] do_el0_svc+0x58/0x14c [ 428.271361][ T27] el0_svc+0x7c/0x1f0 [ 428.272379][ T27] el0t_64_sync_handler+0x84/0xe4 [ 428.273632][ T27] el0t_64_sync+0x1a0/0x1a4 [ 428.294057][ T27] INFO: task syz-executor241:4012 blocked for more than 143 seconds. [ 428.296205][ T27] Not tainted 5.15.158-syzkaller #0 [ 428.297610][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.299848][ T27] task:syz-executor241 state:D stack: 0 pid: 4012 ppid: 3996 flags:0x00000005 [ 428.302221][ T27] Call trace: [ 428.303023][ T27] __switch_to+0x308/0x5e8 [ 428.324060][ T27] __schedule+0xf10/0x1e48 [ 428.325241][ T27] schedule+0x11c/0x1c8 [ 428.326253][ T27] d_wait_lookup+0x1a0/0x27c [ 428.327438][ T27] d_alloc_parallel+0x9e0/0x11bc [ 428.328702][ T27] __lookup_slow+0x108/0x388 [ 428.329934][ T27] lookup_slow+0x60/0x84 [ 428.331091][ T27] walk_component+0x394/0x4cc [ 428.332364][ T27] link_path_walk+0x5a0/0xc38 [ 428.333481][ T27] path_openat+0x1e8/0x26cc [ 428.354051][ T27] do_filp_open+0x1a8/0x3b4 [ 428.355271][ T27] do_sys_openat2+0x128/0x3d8 [ 428.356542][ T27] __arm64_sys_openat+0x1f0/0x240 [ 428.357821][ T27] invoke_syscall+0x98/0x2b8 [ 428.359056][ T27] el0_svc_common+0x138/0x258 [ 428.360305][ T27] do_el0_svc+0x58/0x14c [ 428.361435][ T27] el0_svc+0x7c/0x1f0 [ 428.362457][ T27] el0t_64_sync_handler+0x84/0xe4 [ 428.363674][ T27] el0t_64_sync+0x1a0/0x1a4 [ 428.394099][ T27] INFO: task syz-executor241:4015 blocked for more than 143 seconds. [ 428.396231][ T27] Not tainted 5.15.158-syzkaller #0 [ 428.397649][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.399807][ T27] task:syz-executor241 state:D stack: 0 pid: 4015 ppid: 3999 flags:0x00000005 [ 428.402165][ T27] Call trace: [ 428.403041][ T27] __switch_to+0x308/0x5e8 [ 428.424052][ T27] __schedule+0xf10/0x1e48 [ 428.425241][ T27] schedule+0x11c/0x1c8 [ 428.426315][ T27] d_wait_lookup+0x1a0/0x27c [ 428.427533][ T27] d_alloc_parallel+0x9e0/0x11bc [ 428.428722][ T27] __lookup_slow+0x108/0x388 [ 428.429878][ T27] lookup_slow+0x60/0x84 [ 428.430979][ T27] walk_component+0x394/0x4cc [ 428.432201][ T27] link_path_walk+0x5a0/0xc38 [ 428.433411][ T27] path_openat+0x1e8/0x26cc [ 428.454078][ T27] do_filp_open+0x1a8/0x3b4 [ 428.455360][ T27] do_sys_openat2+0x128/0x3d8 [ 428.456540][ T27] __arm64_sys_openat+0x1f0/0x240 [ 428.457845][ T27] invoke_syscall+0x98/0x2b8 [ 428.459004][ T27] el0_svc_common+0x138/0x258 [ 428.460312][ T27] do_el0_svc+0x58/0x14c [ 428.461450][ T27] el0_svc+0x7c/0x1f0 [ 428.462542][ T27] el0t_64_sync_handler+0x84/0xe4 [ 428.463893][ T27] el0t_64_sync+0x1a0/0x1a4 [ 428.494061][ T27] [ 428.494061][ T27] Showing all locks held in the system: [ 428.496066][ T27] 1 lock held by khungtaskd/27: [ 428.497328][ T27] #0: ffff800014b114a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.499872][ T27] 2 locks held by getty/3725: [ 428.501130][ T27] #0: ffff0000d276f098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 428.503632][ T27] #1: ffff80001a36e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 [ 428.519400][ T27] 2 locks held by syz-executor241/4001: [ 428.520815][ T27] 1 lock held by syz-executor241/4011: [ 428.522218][ T27] #0: ffff0000df0ec188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 428.544055][ T27] 1 lock held by syz-executor241/4003: [ 428.545530][ T27] 1 lock held by syz-executor241/4013: [ 428.546914][ T27] #0: ffff0000df0ec6d0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 428.549643][ T27] 1 lock held by syz-executor241/4007: [ 428.550996][ T27] 1 lock held by syz-executor241/4014: [ 428.552431][ T27] #0: ffff0000df0ecc18 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 428.574080][ T27] 2 locks held by syz-executor241/4006: [ 428.575523][ T27] 1 lock held by syz-executor241/4012: [ 428.576944][ T27] #0: ffff0000df184188 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 428.579566][ T27] 1 lock held by syz-executor241/4009: [ 428.580966][ T27] 1 lock held by syz-executor241/4015: [ 428.582398][ T27] #0: ffff0000df0ed160 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 428.614080][ T27] [ 428.614750][ T27] ============================================= [ 428.614750][ T27] [ 428.616922][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 428.618698][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.158-syzkaller #0 [ 428.620751][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 428.623325][ T27] Call trace: [ 428.624205][ T27] dump_backtrace+0x0/0x530 [ 428.625406][ T27] show_stack+0x2c/0x3c [ 428.626485][ T27] dump_stack_lvl+0x108/0x170 [ 428.627793][ T27] dump_stack+0x1c/0x58 [ 428.628894][ T27] panic+0x304/0x8bc [ 428.629971][ T27] hung_task_panic+0x0/0x2c [ 428.631134][ T27] kthread+0x37c/0x45c [ 428.632171][ T27] ret_from_fork+0x10/0x20 [ 428.633341][ T27] SMP: stopping secondary CPUs [ 428.634672][ T27] Kernel Offset: disabled [ 428.635798][ T27] CPU features: 0x0,000081c1,21302e40 [ 428.637235][ T27] Memory Limit: none [ 428.965567][ T27] Rebooting in 86400 seconds..