Warning: Permanently added '10.128.0.116' (ED25519) to the list of known hosts. [ 76.649864][ T4295] cgroup: Unknown subsys name 'net' [ 76.863044][ T4295] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 77.244697][ T4309] loop4: detected capacity change from 0 to 128 executing program [ 77.252317][ T4311] loop1: detected capacity change from 0 to 128 [ 77.255438][ T4311] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 77.257573][ T4309] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 77.261255][ T4311] syz-executor425: attempt to access beyond end of device [ 77.261255][ T4311] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 77.264420][ T4311] Buffer I/O error on dev loop1, logical block 3245768, async page read executing program [ 77.273242][ T4314] loop0: detected capacity change from 0 to 128 executing program [ 77.276868][ T4309] syz-executor425: attempt to access beyond end of device [ 77.276868][ T4309] loop4: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 77.281001][ T4311] syz-executor425: attempt to access beyond end of device [ 77.281001][ T4311] loop1: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 77.282807][ T4312] loop3: detected capacity change from 0 to 128 [ 77.283866][ T4311] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 77.287172][ T4311] syz-executor425: attempt to access beyond end of device [ 77.287172][ T4311] loop1: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 77.291317][ T4312] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 77.291541][ T4314] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 77.295109][ T4309] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 77.295283][ T4316] loop2: detected capacity change from 0 to 128 [ 77.297076][ T4309] syz-executor425: attempt to access beyond end of device [ 77.297076][ T4309] loop4: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 77.299947][ T4312] syz-executor425: attempt to access beyond end of device [ 77.299947][ T4312] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 77.303336][ T4314] syz-executor425: attempt to access beyond end of device [ 77.303336][ T4314] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 77.308627][ T4312] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 77.308960][ T4311] Buffer I/O error on dev loop1, logical block 13269809, async page read [ 77.310604][ T4312] syz-executor425: attempt to access beyond end of device [ 77.310604][ T4312] loop3: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 77.313322][ T4311] syz-executor425: attempt to access beyond end of device [ 77.313322][ T4311] loop1: rw=0, sector=16147212, nr_sectors = 2 limit=128 [ 77.318860][ T4309] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 77.320877][ T4314] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 77.322824][ T4309] syz-executor425: attempt to access beyond end of device [ 77.322824][ T4309] loop4: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 77.324324][ T4312] Buffer I/O error on dev loop3, logical block 8833403, async page read [ 77.326479][ T4314] Buffer I/O error on dev loop0, logical block 8833403, async page read [ 77.327831][ T4316] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 77.331092][ T4309] Buffer I/O error on dev loop4, logical block 13269809, async page read [ 240.498097][ T28] INFO: task syz-executor425:4318 blocked for more than 143 seconds. [ 240.500016][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 240.501586][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.503484][ T28] task:syz-executor425 state:D stack:0 pid:4318 ppid:4304 flags:0x00000005 [ 240.505533][ T28] Call trace: [ 240.506208][ T28] __switch_to+0x308/0x598 [ 240.507195][ T28] __schedule+0xef4/0x1d44 [ 240.528011][ T28] schedule+0xc4/0x170 [ 240.528957][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 240.530289][ T28] down_write_nested+0x90/0x94 [ 240.531305][ T28] do_unlinkat+0x2d0/0x70c [ 240.532285][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 240.533333][ T28] invoke_syscall+0x98/0x2bc [ 240.534296][ T28] el0_svc_common+0x138/0x258 [ 240.535363][ T28] do_el0_svc+0x58/0x13c [ 240.536252][ T28] el0_svc+0x58/0x168 [ 240.537065][ T28] el0t_64_sync_handler+0x84/0xf0 [ 240.557986][ T28] el0t_64_sync+0x18c/0x190 [ 240.559103][ T28] INFO: task syz-executor425:4317 blocked for more than 143 seconds. [ 240.560895][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 240.562559][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.564429][ T28] task:syz-executor425 state:D stack:0 pid:4317 ppid:4306 flags:0x0000000d [ 240.566492][ T28] Call trace: [ 240.567334][ T28] __switch_to+0x308/0x598 [ 240.588007][ T28] __schedule+0xef4/0x1d44 [ 240.588969][ T28] schedule+0xc4/0x170 [ 240.589839][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 240.591151][ T28] down_write_nested+0x90/0x94 [ 240.592137][ T28] do_unlinkat+0x2d0/0x70c [ 240.593104][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 240.594166][ T28] invoke_syscall+0x98/0x2bc [ 240.595114][ T28] el0_svc_common+0x138/0x258 [ 240.596239][ T28] do_el0_svc+0x58/0x13c [ 240.597194][ T28] el0_svc+0x58/0x168 [ 240.617995][ T28] el0t_64_sync_handler+0x84/0xf0 [ 240.619157][ T28] el0t_64_sync+0x18c/0x190 [ 240.620237][ T28] INFO: task syz-executor425:4320 blocked for more than 143 seconds. [ 240.622158][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 240.623639][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.625692][ T28] task:syz-executor425 state:D stack:0 pid:4320 ppid:4303 flags:0x00000005 [ 240.627730][ T28] Call trace: [ 240.648007][ T28] __switch_to+0x308/0x598 [ 240.649221][ T28] __schedule+0xef4/0x1d44 [ 240.650143][ T28] schedule+0xc4/0x170 [ 240.651106][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 240.652427][ T28] down_write_nested+0x90/0x94 [ 240.653597][ T28] do_unlinkat+0x2d0/0x70c [ 240.654504][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 240.655613][ T28] invoke_syscall+0x98/0x2bc [ 240.656662][ T28] el0_svc_common+0x138/0x258 [ 240.657753][ T28] do_el0_svc+0x58/0x13c [ 240.688033][ T28] el0_svc+0x58/0x168 [ 240.689048][ T28] el0t_64_sync_handler+0x84/0xf0 [ 240.690338][ T28] el0t_64_sync+0x18c/0x190 [ 240.691370][ T28] INFO: task syz-executor425:4319 blocked for more than 143 seconds. [ 240.693260][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 240.694937][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.696872][ T28] task:syz-executor425 state:D stack:0 pid:4319 ppid:4302 flags:0x00000005 [ 240.718007][ T28] Call trace: [ 240.718821][ T28] __switch_to+0x308/0x598 [ 240.719777][ T28] __schedule+0xef4/0x1d44 [ 240.720783][ T28] schedule+0xc4/0x170 [ 240.721828][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 240.723042][ T28] down_write_nested+0x90/0x94 [ 240.724272][ T28] do_unlinkat+0x2d0/0x70c [ 240.725201][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 240.726269][ T28] invoke_syscall+0x98/0x2bc [ 240.727319][ T28] el0_svc_common+0x138/0x258 [ 240.741791][ T28] do_el0_svc+0x58/0x13c [ 240.742827][ T28] el0_svc+0x58/0x168 [ 240.743646][ T28] el0t_64_sync_handler+0x84/0xf0 [ 240.744763][ T28] el0t_64_sync+0x18c/0x190 [ 240.745697][ T28] INFO: task syz-executor425:4323 blocked for more than 143 seconds. [ 240.747562][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 240.767926][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.770153][ T28] task:syz-executor425 state:D stack:0 pid:4323 ppid:4305 flags:0x00000005 [ 240.772441][ T28] Call trace: [ 240.773097][ T28] __switch_to+0x308/0x598 [ 240.774099][ T28] __schedule+0xef4/0x1d44 [ 240.775179][ T28] schedule+0xc4/0x170 [ 240.776081][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 240.777457][ T28] down_write_nested+0x90/0x94 [ 240.797986][ T28] do_unlinkat+0x2d0/0x70c [ 240.799011][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 240.800131][ T28] invoke_syscall+0x98/0x2bc [ 240.801139][ T28] el0_svc_common+0x138/0x258 [ 240.802175][ T28] do_el0_svc+0x58/0x13c [ 240.803128][ T28] el0_svc+0x58/0x168 [ 240.803956][ T28] el0t_64_sync_handler+0x84/0xf0 [ 240.805105][ T28] el0t_64_sync+0x18c/0x190 [ 240.806156][ T28] [ 240.806156][ T28] Showing all locks held in the system: [ 240.807840][ T28] 1 lock held by rcu_tasks_kthre/12: [ 240.837987][ T28] #0: ffff800015c65570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 240.840333][ T28] 1 lock held by rcu_tasks_trace/13: [ 240.841510][ T28] #0: ffff800015c65d90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 240.843864][ T28] 1 lock held by khungtaskd/28: [ 240.845008][ T28] #0: ffff800015c653a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 240.847140][ T28] 2 locks held by getty/4054: [ 240.868022][ T28] #0: ffff0000d60ad098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 240.870152][ T28] #1: ffff80001d8402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 240.872230][ T28] 2 locks held by syz-executor425/4309: [ 240.873551][ T28] 2 locks held by syz-executor425/4318: [ 240.874777][ T28] #0: ffff0000dc050460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 240.876797][ T28] #1: ffff0000e4c406d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 240.898054][ T28] 3 locks held by syz-executor425/4311: [ 240.899351][ T28] 2 locks held by syz-executor425/4317: [ 240.900650][ T28] #0: ffff0000dc3de460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 240.902858][ T28] #1: ffff0000e4c40188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 240.905224][ T28] 3 locks held by syz-executor425/4312: [ 240.906481][ T28] 2 locks held by syz-executor425/4320: [ 240.907753][ T28] #0: ffff0000dab3c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 240.937991][ T28] #1: ffff0000e4cb8188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 240.940396][ T28] 3 locks held by syz-executor425/4314: [ 240.941565][ T28] 2 locks held by syz-executor425/4319: [ 240.942814][ T28] #0: ffff0000cef82460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 240.944875][ T28] #1: ffff0000e4c40c18 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 240.947157][ T28] 3 locks held by syz-executor425/4316: [ 240.968008][ T28] 2 locks held by syz-executor425/4323: [ 240.969171][ T28] #0: ffff0000d4c4a460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 240.971195][ T28] #1: ffff0000e4cb86d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 240.973587][ T28] [ 240.974087][ T28] ============================================= [ 240.974087][ T28] [ 240.975839][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 240.977243][ T28] CPU: 1 PID: 28 Comm: khungtaskd Tainted: G W 6.1.122-syzkaller #0 [ 240.979482][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 240.981770][ T28] Call trace: [ 240.982534][ T28] dump_backtrace+0x1c8/0x1f4 [ 240.983682][ T28] show_stack+0x2c/0x3c [ 240.984582][ T28] dump_stack_lvl+0x108/0x170 [ 240.985712][ T28] dump_stack+0x1c/0x58 [ 240.986687][ T28] panic+0x300/0x804 [ 240.987549][ T28] hung_task_panic+0x0/0x2c [ 240.988602][ T28] kthread+0x250/0x2d8 [ 240.989582][ T28] ret_from_fork+0x10/0x20 [ 240.990527][ T28] SMP: stopping secondary CPUs [ 240.991492][ T28] Kernel Offset: disabled [ 240.992437][ T28] CPU features: 0x080000,02070084,26017203 [ 240.993768][ T28] Memory Limit: none [ 241.347706][ T28] Rebooting in 86400 seconds..