[ 18.051979][ T3637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.057272][ T3637] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.096037][ T136] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.101715][ T1530] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.632104][ T21] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program [ 714.749692][ T27] INFO: task syz-executor131:4006 blocked for more than 143 seconds. [ 714.751444][ T27] Not tainted 5.15.110-syzkaller #0 [ 714.752578][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.754369][ T27] task:syz-executor131 state:D stack: 0 pid: 4006 ppid: 4005 flags:0x00000001 [ 714.756317][ T27] Call trace: [ 714.756994][ T27] __switch_to+0x308/0x5e8 [ 714.757991][ T27] __schedule+0xf10/0x1e38 [ 714.758945][ T27] schedule+0x11c/0x1c8 [ 714.789530][ T27] rwsem_down_write_slowpath+0xca8/0x1340 [ 714.790789][ T27] down_write+0x25c/0x260 [ 714.791695][ T27] blkdev_fallocate+0x208/0x378 [ 714.792681][ T27] vfs_fallocate+0x478/0x5b4 [ 714.793620][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 714.794705][ T27] invoke_syscall+0x98/0x2b8 [ 714.795636][ T27] el0_svc_common+0x138/0x258 [ 714.796551][ T27] do_el0_svc+0x58/0x14c [ 714.797422][ T27] el0_svc+0x7c/0x1f0 [ 714.798343][ T27] el0t_64_sync_handler+0x84/0xe4 [ 714.799401][ T27] el0t_64_sync+0x1a0/0x1a4 [ 714.817804][ T27] INFO: task syz-executor131:4007 blocked for more than 143 seconds. [ 714.819525][ T27] Not tainted 5.15.110-syzkaller #0 [ 714.820740][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.822515][ T27] task:syz-executor131 state:D stack: 0 pid: 4007 ppid: 4004 flags:0x00000001 [ 714.824483][ T27] Call trace: [ 714.825161][ T27] __switch_to+0x308/0x5e8 [ 714.826100][ T27] __schedule+0xf10/0x1e38 [ 714.827041][ T27] schedule+0x11c/0x1c8 [ 714.827880][ T27] rwsem_down_write_slowpath+0xca8/0x1340 [ 714.829038][ T27] down_write+0x25c/0x260 [ 714.837305][ T27] blkdev_fallocate+0x208/0x378 [ 714.838380][ T27] vfs_fallocate+0x478/0x5b4 [ 714.839310][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 714.840426][ T27] invoke_syscall+0x98/0x2b8 [ 714.841350][ T27] el0_svc_common+0x138/0x258 [ 714.842347][ T27] do_el0_svc+0x58/0x14c [ 714.843219][ T27] el0_svc+0x7c/0x1f0 [ 714.844026][ T27] el0t_64_sync_handler+0x84/0xe4 [ 714.845053][ T27] el0t_64_sync+0x1a0/0x1a4 [ 714.846014][ T27] INFO: task syz-executor131:4009 blocked for more than 143 seconds. [ 714.847641][ T27] Not tainted 5.15.110-syzkaller #0 [ 714.848872][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.863001][ T27] task:syz-executor131 state:D stack: 0 pid: 4009 ppid: 4000 flags:0x00000001 [ 714.865013][ T27] Call trace: [ 714.865732][ T27] __switch_to+0x308/0x5e8 [ 714.866699][ T27] __schedule+0xf10/0x1e38 [ 714.867603][ T27] schedule+0x11c/0x1c8 [ 714.868474][ T27] rwsem_down_write_slowpath+0xca8/0x1340 [ 714.879309][ T27] down_write+0x25c/0x260 [ 714.880319][ T27] blkdev_fallocate+0x208/0x378 [ 714.881381][ T27] vfs_fallocate+0x478/0x5b4 [ 714.882350][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 714.883406][ T27] invoke_syscall+0x98/0x2b8 [ 714.884362][ T27] el0_svc_common+0x138/0x258 [ 714.885339][ T27] do_el0_svc+0x58/0x14c [ 714.886231][ T27] el0_svc+0x7c/0x1f0 [ 714.887009][ T27] el0t_64_sync_handler+0x84/0xe4 [ 714.888049][ T27] el0t_64_sync+0x1a0/0x1a4 [ 714.897876][ T27] INFO: task syz-executor131:4010 blocked for more than 143 seconds. [ 714.899615][ T27] Not tainted 5.15.110-syzkaller #0 [ 714.900784][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.902613][ T27] task:syz-executor131 state:D stack: 0 pid: 4010 ppid: 4002 flags:0x00000009 [ 714.904529][ T27] Call trace: [ 714.905219][ T27] __switch_to+0x308/0x5e8 [ 714.906121][ T27] __schedule+0xf10/0x1e38 [ 714.907062][ T27] schedule+0x11c/0x1c8 [ 714.907973][ T27] rwsem_down_write_slowpath+0xca8/0x1340 [ 714.909103][ T27] down_write+0x25c/0x260 [ 714.924351][ T27] blkdev_fallocate+0x208/0x378 [ 714.925412][ T27] vfs_fallocate+0x478/0x5b4 [ 714.926436][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 714.927524][ T27] invoke_syscall+0x98/0x2b8 [ 714.928451][ T27] el0_svc_common+0x138/0x258 [ 714.929499][ T27] do_el0_svc+0x58/0x14c [ 714.930367][ T27] el0_svc+0x7c/0x1f0 [ 714.931167][ T27] el0t_64_sync_handler+0x84/0xe4 [ 714.932234][ T27] el0t_64_sync+0x1a0/0x1a4 [ 714.933192][ T27] [ 714.933192][ T27] Showing all locks held in the system: [ 714.934835][ T27] 1 lock held by khungtaskd/27: [ 714.935865][ T27] #0: ffff800014aa1960 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 714.937952][ T27] 1 lock held by klogd/3574: [ 714.938899][ T27] 2 locks held by getty/3722: [ 714.953495][ T27] #0: ffff0000d2c1f098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 714.955552][ T27] #1: ffff80001a28b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 [ 714.957733][ T27] 1 lock held by syz-executor131/4006: [ 714.958859][ T27] #0: ffff0000c0495010 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x378 [ 714.979494][ T27] 1 lock held by syz-executor131/4007: [ 714.980591][ T27] #0: ffff0000c0495010 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x378 [ 714.982879][ T27] 1 lock held by syz-executor131/4008: [ 714.983987][ T27] 1 lock held by syz-executor131/4009: [ 714.985149][ T27] #0: ffff0000c0495010 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x378 [ 714.987409][ T27] 1 lock held by syz-executor131/4010: [ 714.988539][ T27] #0: ffff0000c0495010 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x378 [ 715.019524][ T27] 1 lock held by syz-executor131/4017: [ 715.020669][ T27] #0: ffff0000c0495010 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x378 [ 715.023020][ T27] [ 715.023551][ T27] ============================================= [ 715.023551][ T27] [ 715.025377][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 715.026861][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.110-syzkaller #0 [ 715.028468][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 715.030493][ T27] Call trace: [ 715.031183][ T27] dump_backtrace+0x0/0x530 [ 715.032119][ T27] show_stack+0x2c/0x3c [ 715.032993][ T27] dump_stack_lvl+0x108/0x170 [ 715.033986][ T27] dump_stack+0x1c/0x58 [ 715.034835][ T27] panic+0x304/0x8b4 [ 715.035602][ T27] hung_task_panic+0x0/0x2c [ 715.036562][ T27] kthread+0x37c/0x45c [ 715.037406][ T27] ret_from_fork+0x10/0x20 [ 715.038324][ T27] SMP: stopping secondary CPUs [ 715.039349][ T27] Kernel Offset: disabled [ 715.040221][ T27] CPU features: 0x000081c1,21302e40 [ 715.041287][ T27] Memory Limit: none [ 715.349427][ T27] Rebooting in 86400 seconds..