Warning: Permanently added '10.128.0.45' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 433.160881][ T1595] ieee802154 phy0 wpan0: encryption failed: -22 [ 433.160921][ T1595] ieee802154 phy1 wpan1: encryption failed: -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 494.601102][ T1595] ieee802154 phy0 wpan0: encryption failed: -22 [ 494.602379][ T1595] ieee802154 phy1 wpan1: encryption failed: -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 544.510477][ T31] INFO: task syz.0.573:8371 blocked for more than 143 ** replaying previous printk message ** [ 544.510477][ T31] INFO: task syz.0.573:8371 blocked for more than 143 seconds. [ 544.510512][ T31] Not tainted syzkaller #0 [ 544.510519][ T31] Blocked by coredump. [ 544.510524][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 544.510530][ T31] task:syz.0.573 state:D stack:0 pid:8371 tgid:8371 ppid:5136 task_flags:0x40044c flags:0x00000019 [ 544.510545][ T31] Call trace: [ 544.510549][ T31] __switch_to+0x2b0/0x6e0 (T) [ 544.510567][ T31] __schedule+0x1370/0x2d80 [ 544.510579][ T31] schedule+0x13c/0x20c [ 544.510587][ T31] fuse_chan_send+0x824/0xf28 [ 544.510598][ T31] __fuse_simple_request+0xa0/0xb8 [ 544.510608][ T31] fuse_flush+0x3fc/0x5e4 [ 544.510619][ T31] filp_flush+0xb4/0x184 [ 544.510630][ T31] filp_close+0x28/0x48 [ 544.510640][ T31] put_files_struct+0x190/0x2b4 [ 544.510648][ T31] exit_files+0x78/0x98 [ 544.510655][ T31] do_exit+0x548/0x1a74 [ 544.510667][ T31] do_group_exit+0x198/0x238 [ 544.510678][ T31] get_signal+0xfb0/0x1094 [ 544.510686][ T31] arch_do_signal_or_restart+0x288/0x444c [ 544.510697][ T31] exit_to_user_mode_loop+0x70/0x17c [ 544.510707][ T31] el0_svc+0x18c/0x260 [ 544.510717][ T31] el0t_64_sync_handler+0x48/0x148 [ 544.510726][ T31] el0t_64_sync+0x198/0x19c [ 544.510737][ T31] INFO: task syz.2.575:8388 blocked for more than 143 seconds. [ 544.510742][ T31] Not tainted syzkaller #0 [ 544.510747][ T31] Blocked by coredump. [ 544.510749][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 544.510753][ T31] task:syz.2.575 state:D stack:0 pid:8388 tgid:8372 ppid:5140 task_flags:0x40044c flags:0x00000019 [ 544.510765][ T31] Call trace: [ 544.510768][ T31] __switch_to+0x2b0/0x6e0 (T) [ 544.510776][ T31] __schedule+0x1370/0x2d80 [ 544.510785][ T31] schedule+0x13c/0x20c [ 544.510793][ T31] fuse_chan_send+0x824/0xf28 [ 544.510802][ T31] __fuse_simple_request+0xa0/0xb8 [ 544.510811][ T31] fuse_flush+0x3fc/0x5e4 [ 544.510821][ T31] filp_flush+0xb4/0x184 [ 544.510831][ T31] filp_close+0x28/0x48 [ 544.510841][ T31] put_files_struct+0x190/0x2b4 [ 544.510849][ T31] exit_files+0x78/0x98 [ 544.510856][ T31] do_exit+0x548/0x1a74 [ 544.510866][ T31] do_group_exit+0x198/0x238 [ 544.510877][ T31] get_signal+0xfb0/0x1094 [ 544.510885][ T31] arch_do_signal_or_restart+0x288/0x444c [ 544.510895][ T31] exit_to_user_mode_loop+0x70/0x17c [ 544.510904][ T31] el0_svc+0x18c/0x260 [ 544.510914][ T31] el0t_64_sync_handler+0x48/0x148 [ 544.510923][ T31] el0t_64_sync+0x198/0x19c [ 544.510931][ T31] INFO: task syz.3.574:8373 blocked for more than 143 seconds. [ 544.510937][ T31] Not tainted syzkaller #0 [ 544.510941][ T31] Blocked by coredump. [ 544.510944][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 544.510947][ T31] task:syz.3.574 state:D stack:0 pid:8373 tgid:8373 ppid:5147 task_flags:0x40044c flags:0x00000019 [ 544.510958][ T31] Call trace: [ 544.510961][ T31] __switch_to+0x2b0/0x6e0 (T) [ 544.510970][ T31] __schedule+0x1370/0x2d80 [ 544.510978][ T31] schedule+0x13c/0x20c [ 544.510986][ T31] fuse_chan_send+0x824/0xf28 [ 544.510994][ T31] __fuse_simple_request+0xa0/0xb8 [ 544.511003][ T31] fuse_flush+0x3fc/0x5e4 [ 544.511014][ T31] filp_flush+0xb4/0x184 [ 544.511024][ T31] filp_close+0x28/0x48 [ 544.511033][ T31] put_files_struct+0x190/0x2b4 [ 544.511041][ T31] exit_files+0x78/0x98 [ 544.511048][ T31] do_exit+0x548/0x1a74 [ 544.511058][ T31] do_group_exit+0x198/0x238 [ 544.511069][ T31] get_signal+0xfb0/0x1094 [ 544.511076][ T31] arch_do_signal_or_restart+0x288/0x444c [ 544.511087][ T31] exit_to_user_mode_loop+0x70/0x17c [ 544.511096][ T31] el0_svc+0x18c/0x260 [ 544.511105][ T31] el0t_64_sync_handler+0x48/0x148 [ 544.511115][ T31] el0t_64_sync+0x198/0x19c [ 544.511123][ T31] INFO: task syz.4.576:8391 blocked for more than 143 seconds. [ 544.511128][ T31] Not tainted syzkaller #0 [ 544.511132][ T31] Blocked by coredump. [ 544.511135][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 544.511139][ T31] task:syz.4.576 state:D stack:0 pid:8391 tgid:8374 ppid:5156 task_flags:0x40044c flags:0x00000019 [ 544.511149][ T31] Call trace: [ 544.511152][ T31] __switch_to+0x2b0/0x6e0 (T) [ 544.511160][ T31] __schedule+0x1370/0x2d80 [ 544.511169][ T31] schedule+0x13c/0x20c [ 544.511176][ T31] fuse_chan_send+0x824/0xf28 [ 544.511185][ T31] __fuse_simple_request+0xa0/0xb8 [ 544.511194][ T31] fuse_flush+0x3fc/0x5e4 [ 544.511204][ T31] filp_flush+0xb4/0x184 [ 544.511214][ T31] filp_close+0x28/0x48 [ 544.511224][ T31] put_files_struct+0x190/0x2b4 [ 544.511231][ T31] exit_files+0x78/0x98 [ 544.511239][ T31] do_exit+0x548/0x1a74 [ 544.511249][ T31] do_group_exit+0x198/0x238 [ 544.511259][ T31] get_signal+0xfb0/0x1094 [ 544.511267][ T31] arch_do_signal_or_restart+0x288/0x444c [ 544.511278][ T31] exit_to_user_mode_loop+0x70/0x17c [ 544.511286][ T31] el0_svc+0x18c/0x260 [ 544.511296][ T31] el0t_64_sync_handler+0x48/0x148 [ 544.511305][ T31] el0t_64_sync+0x198/0x19c [ 544.511313][ T31] INFO: task syz.1.577:8387 blocked for more than 143 seconds. [ 544.511319][ T31] Not tainted syzkaller #0 [ 544.511323][ T31] Blocked by coredump. [ 544.511326][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 544.511329][ T31] task:syz.1.577 state:D stack:0 pid:8387 tgid:8376 ppid:5139 task_flags:0x40044c flags:0x00000019 [ 544.511339][ T31] Call trace: [ 544.511342][ T31] __switch_to+0x2b0/0x6e0 (T) [ 544.511350][ T31] __schedule+0x1370/0x2d80 [ 544.511358][ T31] schedule+0x13c/0x20c [ 544.511366][ T31] fuse_chan_send+0x824/0xf28 [ 544.511375][ T31] __fuse_simple_request+0xa0/0xb8 [ 544.511384][ T31] fuse_flush+0x3fc/0x5e4 [ 544.511394][ T31] filp_flush+0xb4/0x184 [ 544.511404][ T31] filp_close+0x28/0x48 [ 544.511414][ T31] put_files_struct+0x190/0x2b4 [ 544.511422][ T31] exit_files+0x78/0x98 [ 544.511429][ T31] do_exit+0x548/0x1a74 [ 544.511439][ T31] do_group_exit+0x198/0x238 [ 544.511450][ T31] get_signal+0xfb0/0x1094 [ 544.511457][ T31] arch_do_signal_or_restart+0x288/0x444c [ 544.511468][ T31] exit_to_user_mode_loop+0x70/0x17c [ 544.511477][ T31] el0_svc+0x18c/0x260 [ 544.511486][ T31] el0t_64_sync_handler+0x48/0x148 [ 544.511496][ T31] el0t_64_sync+0x198/0x19c [ 544.511508][ T31] [ 544.511508][ T31] Showing all locks held in the system: [ 544.511513][ T31] 1 lock held by khungtaskd/31: [ 544.511517][ T31] #0: ffff800088cb6f20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 [ 544.511544][ T31] 2 locks held by pr/ttyAMA-1/41: [ 544.511551][ T31] 2 locks held by kworker/u8:5/1299: [ 544.511558][ T31] 2 locks held by kworker/u8:7/3277: [ 544.511563][ T31] #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 [ 544.511588][ T31] #1: ffff800099b97c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 [ 544.511612][ T31] 2 locks held by getty/4491: [ 544.511616][ T31] #0: ffff0000ce93c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 544.511638][ T31] #1: ffff80009248b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x348/0xf78 [ 544.511667][ T31] [ 544.511669][ T31] ============================================= [ 544.511669][ T31] [ 544.511674][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 544.631382][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 544.632781][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 544.634474][ T31] Call trace: [ 544.635034][ T31] show_stack+0x2c/0x3c (C) [ 544.635814][ T31] __dump_stack+0x30/0x40 [ 544.636537][ T31] dump_stack_lvl+0x30/0x12c [ 544.637320][ T31] dump_stack+0x1c/0x28 [ 544.638040][ T31] vpanic+0x594/0xaf8 [ 544.638732][ T31] vpanic+0x0/0xaf8 [ 544.639364][ T31] hung_task_panic+0x0/0x2c [ 544.640152][ T31] kthread+0x304/0x3d4 [ 544.640928][ T31] ret_from_fork+0x10/0x20 [ 544.641725][ T31] SMP: stopping secondary CPUs [ 544.642558][ T31] Kernel Offset: disabled [ 544.643275][ T31] CPU features: 0x0a000000,003c0008,27020501,5427fea7 [ 544.644407][ T31] Memory Limit: none [ 544.935378][ T31] Rebooting in 86400 seconds.. [host] Command execution timed out after 2m30s