Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts. [ 35.949238][ T4291] cgroup: Unknown subsys name 'net' [ 36.188546][ T4291] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 36.612273][ T4304] loop3: detected capacity change from 0 to 128 executing program [ 36.618154][ T4308] loop2: detected capacity change from 0 to 128 executing program [ 36.624117][ T4307] loop1: detected capacity change from 0 to 128 [ 36.627672][ T4310] loop4: detected capacity change from 0 to 128 [ 36.637493][ T4313] loop0: detected capacity change from 0 to 128 [ 36.638623][ T4307] VFS: Found a Xenix FS (block size = 1024) on device loop1 [ 36.639756][ T4308] VFS: Found a Xenix FS (block size = 1024) on device loop2 [ 36.643499][ T4310] VFS: Found a Xenix FS (block size = 1024) on device loop4 [ 36.646976][ T4307] syz-executor419: attempt to access beyond end of device [ 36.646976][ T4307] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 36.649945][ T4307] Buffer I/O error on dev loop1, logical block 3245768, async page read [ 36.650320][ T4313] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 36.654066][ T4304] VFS: Found a Xenix FS (block size = 1024) on device loop3 [ 36.654222][ T4310] syz-executor419: attempt to access beyond end of device [ 36.654222][ T4310] loop4: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 36.656624][ T4308] syz-executor419: attempt to access beyond end of device [ 36.656624][ T4308] loop2: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 36.659102][ T4307] syz-executor419: attempt to access beyond end of device [ 36.659102][ T4307] loop1: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 36.661340][ T4308] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 36.664986][ T4310] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 36.667237][ T4308] syz-executor419: attempt to access beyond end of device [ 36.667237][ T4308] loop2: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 36.668363][ T4310] syz-executor419: attempt to access beyond end of device [ 36.668363][ T4310] loop4: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 36.670948][ T4304] syz-executor419: attempt to access beyond end of device [ 36.670948][ T4304] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 36.674733][ T4307] Buffer I/O error on dev loop1, logical block 8833403, async page read [ 36.678114][ T4313] syz-executor419: attempt to access beyond end of device [ 36.678114][ T4313] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 36.678520][ T4307] syz-executor419: attempt to access beyond end of device [ 36.678520][ T4307] loop1: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 36.681351][ T4313] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 36.685007][ T4310] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 36.686138][ T4308] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 36.687685][ T4310] syz-executor419: attempt to access beyond end of device [ 36.687685][ T4310] loop4: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 36.689361][ T4308] Buffer I/O error on dev loop2, logical block 13269809, async page read [ 36.692084][ T4310] Buffer I/O error on dev loop4, logical block 13269809, async page read [ 36.694110][ T4304] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 69.604202][ T1516] cfg80211: failed to load regulatory.db [ 199.522821][ T28] INFO: task syz-executor419:4316 blocked for more than 143 seconds. [ 199.524672][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 199.526107][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 199.528189][ T28] task:syz-executor419 state:D stack:0 pid:4316 ppid:4299 flags:0x00000005 [ 199.530163][ T28] Call trace: [ 199.530776][ T28] __switch_to+0x308/0x598 [ 199.531689][ T28] __schedule+0xef4/0x1d44 [ 199.532607][ T28] schedule+0xc4/0x170 [ 199.553617][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 199.554836][ T28] down_write_nested+0x90/0x94 [ 199.555932][ T28] do_unlinkat+0x2d0/0x70c [ 199.556761][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 199.557744][ T28] invoke_syscall+0x98/0x2bc [ 199.558641][ T28] el0_svc_common+0x138/0x258 [ 199.559709][ T28] do_el0_svc+0x58/0x13c [ 199.560613][ T28] el0_svc+0x58/0x168 [ 199.561325][ T28] el0t_64_sync_handler+0x84/0xf0 [ 199.562360][ T28] el0t_64_sync+0x18c/0x190 [ 199.582767][ T28] INFO: task syz-executor419:4314 blocked for more than 143 seconds. [ 199.584529][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 199.586041][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 199.587668][ T28] task:syz-executor419 state:D stack:0 pid:4314 ppid:4302 flags:0x00000005 [ 199.589549][ T28] Call trace: [ 199.590198][ T28] __switch_to+0x308/0x598 [ 199.591306][ T28] __schedule+0xef4/0x1d44 [ 199.592363][ T28] schedule+0xc4/0x170 [ 199.622749][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 199.623986][ T28] down_write_nested+0x90/0x94 [ 199.624916][ T28] do_unlinkat+0x2d0/0x70c [ 199.625864][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 199.626851][ T28] invoke_syscall+0x98/0x2bc [ 199.627815][ T28] el0_svc_common+0x138/0x258 [ 199.628841][ T28] do_el0_svc+0x58/0x13c [ 199.629801][ T28] el0_svc+0x58/0x168 [ 199.630607][ T28] el0t_64_sync_handler+0x84/0xf0 [ 199.631655][ T28] el0t_64_sync+0x18c/0x190 [ 199.652760][ T28] INFO: task syz-executor419:4317 blocked for more than 143 seconds. [ 199.654580][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 199.656120][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 199.657942][ T28] task:syz-executor419 state:D stack:0 pid:4317 ppid:4301 flags:0x00000005 [ 199.659862][ T28] Call trace: [ 199.660519][ T28] __switch_to+0x308/0x598 [ 199.661461][ T28] __schedule+0xef4/0x1d44 [ 199.662445][ T28] schedule+0xc4/0x170 [ 199.682855][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 199.684141][ T28] down_write_nested+0x90/0x94 [ 199.685221][ T28] do_unlinkat+0x2d0/0x70c [ 199.686189][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 199.687160][ T28] invoke_syscall+0x98/0x2bc [ 199.688103][ T28] el0_svc_common+0x138/0x258 [ 199.689159][ T28] do_el0_svc+0x58/0x13c [ 199.689978][ T28] el0_svc+0x58/0x168 [ 199.690799][ T28] el0t_64_sync_handler+0x84/0xf0 [ 199.691770][ T28] el0t_64_sync+0x18c/0x190 [ 199.712670][ T28] INFO: task syz-executor419:4315 blocked for more than 143 seconds. [ 199.714471][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 199.715898][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 199.717702][ T28] task:syz-executor419 state:D stack:0 pid:4315 ppid:4300 flags:0x00000005 [ 199.719501][ T28] Call trace: [ 199.720266][ T28] __switch_to+0x308/0x598 [ 199.721144][ T28] __schedule+0xef4/0x1d44 [ 199.721996][ T28] schedule+0xc4/0x170 [ 199.742685][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 199.743866][ T28] down_write_nested+0x90/0x94 [ 199.744888][ T28] do_unlinkat+0x2d0/0x70c [ 199.745842][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 199.746895][ T28] invoke_syscall+0x98/0x2bc [ 199.747803][ T28] el0_svc_common+0x138/0x258 [ 199.748763][ T28] do_el0_svc+0x58/0x13c [ 199.749611][ T28] el0_svc+0x58/0x168 [ 199.750480][ T28] el0t_64_sync_handler+0x84/0xf0 [ 199.751466][ T28] el0t_64_sync+0x18c/0x190 [ 199.752340][ T28] INFO: task syz-executor419:4318 blocked for more than 143 seconds. [ 199.782685][ T28] Tainted: G W 6.1.122-syzkaller #0 [ 199.784285][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 199.785938][ T28] task:syz-executor419 state:D stack:0 pid:4318 ppid:4298 flags:0x0000000d [ 199.787705][ T28] Call trace: [ 199.788427][ T28] __switch_to+0x308/0x598 [ 199.789342][ T28] __schedule+0xef4/0x1d44 [ 199.790181][ T28] schedule+0xc4/0x170 [ 199.790999][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 199.792148][ T28] down_write_nested+0x90/0x94 [ 199.812668][ T28] do_unlinkat+0x2d0/0x70c [ 199.813601][ T28] __arm64_sys_unlinkat+0xcc/0xfc [ 199.814717][ T28] invoke_syscall+0x98/0x2bc [ 199.815747][ T28] el0_svc_common+0x138/0x258 [ 199.816828][ T28] do_el0_svc+0x58/0x13c [ 199.817733][ T28] el0_svc+0x58/0x168 [ 199.818606][ T28] el0t_64_sync_handler+0x84/0xf0 [ 199.819637][ T28] el0t_64_sync+0x18c/0x190 [ 199.820604][ T28] [ 199.820604][ T28] Showing all locks held in the system: [ 199.822285][ T28] 1 lock held by rcu_tasks_kthre/12: [ 199.842693][ T28] #0: ffff800015c65570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 199.844970][ T28] 1 lock held by rcu_tasks_trace/13: [ 199.846158][ T28] #0: ffff800015c65d90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xd10 [ 199.848459][ T28] 1 lock held by khungtaskd/28: [ 199.849439][ T28] #0: ffff800015c653a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 199.851505][ T28] 2 locks held by getty/4058: [ 199.852479][ T28] #0: ffff0000d5d3e098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 199.882706][ T28] #1: ffff80002118e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 199.884797][ T28] 2 locks held by syz-executor419/4304: [ 199.885895][ T28] 2 locks held by syz-executor419/4316: [ 199.887087][ T28] #0: ffff0000da83a460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 199.889146][ T28] #1: ffff0000e1af86d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 199.891222][ T28] 2 locks held by syz-executor419/4307: [ 199.892317][ T28] 2 locks held by syz-executor419/4314: [ 199.912668][ T28] #0: ffff0000de94c460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 199.914871][ T28] #1: ffff0000e4ca0188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 199.917010][ T28] 2 locks held by syz-executor419/4308: [ 199.918211][ T28] 2 locks held by syz-executor419/4317: [ 199.919369][ T28] #0: ffff0000da380460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 199.921281][ T28] #1: ffff0000e1af8188 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 199.942803][ T28] 2 locks held by syz-executor419/4310: [ 199.943974][ T28] 2 locks held by syz-executor419/4315: [ 199.945137][ T28] #0: ffff0000da17a460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 199.946970][ T28] #1: ffff0000e4ca06d0 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 199.949252][ T28] 3 locks held by syz-executor419/4313: [ 199.950358][ T28] 2 locks held by syz-executor419/4318: [ 199.951446][ T28] #0: ffff0000da944460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 199.982690][ T28] #1: ffff0000e1af8c18 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x70c [ 199.985120][ T28] [ 199.985649][ T28] ============================================= [ 199.985649][ T28] [ 199.987386][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 199.988802][ T28] CPU: 0 PID: 28 Comm: khungtaskd Tainted: G W 6.1.122-syzkaller #0 [ 199.990657][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 199.992801][ T28] Call trace: [ 199.993500][ T28] dump_backtrace+0x1c8/0x1f4 [ 199.994502][ T28] show_stack+0x2c/0x3c [ 199.995384][ T28] dump_stack_lvl+0x108/0x170 [ 199.996350][ T28] dump_stack+0x1c/0x58 [ 199.997279][ T28] panic+0x300/0x804 [ 199.998036][ T28] hung_task_panic+0x0/0x2c [ 199.998989][ T28] kthread+0x250/0x2d8 [ 199.999866][ T28] ret_from_fork+0x10/0x20 [ 200.000837][ T28] SMP: stopping secondary CPUs [ 200.001848][ T28] Kernel Offset: disabled [ 200.002760][ T28] CPU features: 0x080000,02070084,26017203 [ 200.004097][ T28] Memory Limit: none [ 200.347205][ T28] Rebooting in 86400 seconds..