[ 18.961225][ T3636] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.965004][ T3636] eql: remember to turn off Van-Jacobson compression on your slave devices [ 19.006421][ T525] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 19.009750][ T3548] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.648507][ T1947] cfg80211: failed to load regulatory.db 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 [ 571.406940][ T27] INFO: task syz-executor428:3990 blocked for more than 143 seconds. [ 571.409032][ T27] Not tainted 5.15.153-syzkaller #0 [ 571.410501][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.412652][ T27] task:syz-executor428 state:D stack: 0 pid: 3990 ppid: 3989 flags:0x00000005 [ 571.414970][ T27] Call trace: [ 571.415746][ T27] __switch_to+0x308/0x5e8 [ 571.446780][ T27] __schedule+0xf10/0x1e48 [ 571.448018][ T27] schedule+0x11c/0x1c8 [ 571.449092][ T27] rwsem_down_write_slowpath+0xca8/0x1340 [ 571.450579][ T27] down_write+0x25c/0x260 [ 571.451724][ T27] blkdev_fallocate+0x208/0x438 [ 571.452951][ T27] vfs_fallocate+0x478/0x5b4 [ 571.454066][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 571.455321][ T27] invoke_syscall+0x98/0x2b8 [ 571.456534][ T27] el0_svc_common+0x138/0x258 [ 571.472572][ T27] do_el0_svc+0x58/0x14c [ 571.473767][ T27] el0_svc+0x7c/0x1f0 [ 571.474847][ T27] el0t_64_sync_handler+0x84/0xe4 [ 571.476132][ T27] el0t_64_sync+0x1a0/0x1a4 [ 571.477364][ T27] INFO: task syz-executor428:3993 blocked for more than 143 seconds. [ 571.479407][ T27] Not tainted 5.15.153-syzkaller #0 [ 571.480890][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.483044][ T27] task:syz-executor428 state:D stack: 0 pid: 3993 ppid: 3987 flags:0x00000005 [ 571.485445][ T27] Call trace: [ 571.486254][ T27] __switch_to+0x308/0x5e8 [ 571.499406][ T27] __schedule+0xf10/0x1e48 [ 571.500629][ T27] schedule+0x11c/0x1c8 [ 571.501633][ T27] rwsem_down_write_slowpath+0xca8/0x1340 [ 571.503062][ T27] down_write+0x25c/0x260 [ 571.504184][ T27] blkdev_fallocate+0x208/0x438 [ 571.505373][ T27] vfs_fallocate+0x478/0x5b4 [ 571.506549][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 571.517041][ T27] invoke_syscall+0x98/0x2b8 [ 571.518308][ T27] el0_svc_common+0x138/0x258 [ 571.519507][ T27] do_el0_svc+0x58/0x14c [ 571.520593][ T27] el0_svc+0x7c/0x1f0 [ 571.521602][ T27] el0t_64_sync_handler+0x84/0xe4 [ 571.522850][ T27] el0t_64_sync+0x1a0/0x1a4 [ 571.529239][ T27] INFO: task syz-executor428:4001 blocked for more than 143 seconds. [ 571.531412][ T27] Not tainted 5.15.153-syzkaller #0 [ 571.532908][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.535133][ T27] task:syz-executor428 state:D stack: 0 pid: 4001 ppid: 3984 flags:0x00000005 [ 571.546525][ T27] Call trace: [ 571.547507][ T27] __switch_to+0x308/0x5e8 [ 571.548670][ T27] __schedule+0xf10/0x1e48 [ 571.549766][ T27] schedule+0x11c/0x1c8 [ 571.550842][ T27] rwsem_down_write_slowpath+0xca8/0x1340 [ 571.552307][ T27] down_write+0x25c/0x260 [ 571.553378][ T27] blkdev_fallocate+0x208/0x438 [ 571.554578][ T27] vfs_fallocate+0x478/0x5b4 [ 571.555706][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 571.567167][ T27] invoke_syscall+0x98/0x2b8 [ 571.568435][ T27] el0_svc_common+0x138/0x258 [ 571.569580][ T27] do_el0_svc+0x58/0x14c [ 571.570729][ T27] el0_svc+0x7c/0x1f0 [ 571.571755][ T27] el0t_64_sync_handler+0x84/0xe4 [ 571.573002][ T27] el0t_64_sync+0x1a0/0x1a4 [ 571.574171][ T27] [ 571.574171][ T27] Showing all locks held in the system: [ 571.576164][ T27] 1 lock held by khungtaskd/27: [ 571.590493][ T27] #0: ffff800014ae14a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.592959][ T27] 1 lock held by klogd/3573: [ 571.594066][ T27] 2 locks held by getty/3733: [ 571.595248][ T27] #0: ffff0000d2fc7098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 571.606709][ T27] #1: ffff800018de02e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 [ 571.609444][ T27] 1 lock held by syz-executor428/3990: [ 571.610893][ T27] #0: ffff0000c0584450 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 [ 571.613599][ T27] 1 lock held by syz-executor428/3991: [ 571.614971][ T27] 1 lock held by syz-executor428/3993: [ 571.616344][ T27] #0: ffff0000c0584450 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 [ 571.628694][ T27] 1 lock held by syz-executor428/4001: [ 571.630054][ T27] #0: ffff0000c0584450 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 [ 571.632719][ T27] 1 lock held by syz-executor428/4008: [ 571.634151][ T27] #0: ffff0000c0584450 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 [ 571.646797][ T27] [ 571.647419][ T27] ============================================= [ 571.647419][ T27] [ 571.649582][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 571.651341][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.153-syzkaller #0 [ 571.653358][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 571.655821][ T27] Call trace: [ 571.656664][ T27] dump_backtrace+0x0/0x530 [ 571.657810][ T27] show_stack+0x2c/0x3c [ 571.658852][ T27] dump_stack_lvl+0x108/0x170 [ 571.660046][ T27] dump_stack+0x1c/0x58 [ 571.661169][ T27] panic+0x304/0x8b4 [ 571.662186][ T27] hung_task_panic+0x0/0x2c [ 571.663277][ T27] kthread+0x37c/0x45c [ 571.664345][ T27] ret_from_fork+0x10/0x20 [ 571.665468][ T27] SMP: stopping secondary CPUs [ 571.666696][ T27] Kernel Offset: disabled [ 571.667834][ T27] CPU features: 0x0,000081c1,21302e40 [ 571.669140][ T27] Memory Limit: none [ 572.013018][ T27] Rebooting in 86400 seconds..