[ 10.194788][ T2658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 10.203399][ T2658] eql: remember to turn off Van-Jacobson compression on your slave devices [ 10.234330][ T49] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 10.240301][ T1291] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.648272][ T13] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.12' (ECDSA) to the list of known hosts. executing program [ 495.306567][ T3109] loop0: detected capacity change from 0 to 512 [ 495.312017][ T3109] EXT4-fs (loop0): orphan cleanup on readonly fs [ 714.767512][ T27] INFO: task syz-executor357:3109 blocked for more than 143 seconds. [ 714.769841][ T27] Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.771856][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.774097][ T27] task:syz-executor357 state:D stack:0 pid:3109 ppid:3108 flags:0x00000009 [ 714.776479][ T27] Call trace: [ 714.777450][ T27] __switch_to+0x180/0x298 [ 714.778659][ T27] __schedule+0x408/0x594 [ 714.779793][ T27] schedule+0x64/0xa4 [ 714.780824][ T27] find_inode_fast+0x148/0x234 [ 714.782037][ T27] iget_locked+0xac/0x350 [ 714.783149][ T27] __ext4_iget+0x108/0x10c8 [ 714.784297][ T27] ext4_xattr_inode_iget+0x4c/0x24c [ 714.785637][ T27] ext4_xattr_inode_dec_ref_all+0xb0/0x600 [ 714.787169][ T27] ext4_xattr_delete_inode+0x4b0/0x56c [ 714.788673][ T27] ext4_evict_inode+0x704/0x7ec [ 714.789948][ T27] evict+0xec/0x334 [ 714.790988][ T27] iput+0x2c4/0x324 [ 714.791966][ T27] ext4_process_orphan+0x154/0x16c [ 714.793305][ T27] ext4_orphan_cleanup+0x584/0x8ec [ 714.794638][ T27] __ext4_fill_super+0x29fc/0x2c2c [ 714.795938][ T27] ext4_fill_super+0x100/0x2d8 [ 714.797192][ T27] get_tree_bdev+0x1e8/0x2a0 [ 714.798533][ T27] ext4_get_tree+0x28/0x38 [ 714.799703][ T27] vfs_get_tree+0x40/0x140 [ 714.800859][ T27] do_new_mount+0x1dc/0x4e4 [ 714.802059][ T27] path_mount+0x358/0x890 [ 714.803149][ T27] __arm64_sys_mount+0x2c4/0x3c4 [ 714.804424][ T27] el0_svc_common+0x138/0x220 [ 714.805640][ T27] do_el0_svc+0x48/0x140 [ 714.806738][ T27] el0_svc+0x58/0x150 [ 714.807837][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.809156][ T27] el0t_64_sync+0x190/0x194 [ 714.810345][ T27] [ 714.810345][ T27] Showing all locks held in the system: [ 714.812362][ T27] 1 lock held by rcu_tasks_kthre/11: [ 714.813741][ T27] #0: ffff80000d4a4768 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.816538][ T27] 1 lock held by rcu_tasks_trace/12: [ 714.817973][ T27] #0: ffff80000d4a4db8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.820908][ T27] 1 lock held by khungtaskd/27: [ 714.822159][ T27] #0: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 [ 714.824617][ T27] 2 locks held by getty/2763: [ 714.825824][ T27] #0: ffff0000c7c44098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 [ 714.828522][ T27] #1: ffff80000f6be2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c [ 714.831170][ T27] 2 locks held by syz-executor357/3109: [ 714.832627][ T27] #0: ffff0000c7dc20e0 (&type->s_umount_key#25/1){+.+.}-{3:3}, at: alloc_super+0xf8/0x430 [ 714.835230][ T27] #1: ffff0000c7dc2650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x22c/0x7ec [ 714.837764][ T27] [ 714.838390][ T27] ============================================= [ 714.838390][ T27] [ 714.840603][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 714.842351][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.844957][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 714.847552][ T27] Call trace: [ 714.848418][ T27] dump_backtrace+0x1c4/0x1f0 [ 714.849685][ T27] show_stack+0x2c/0x3c [ 714.850837][ T27] dump_stack_lvl+0x104/0x16c [ 714.852089][ T27] dump_stack+0x1c/0x58 [ 714.853191][ T27] panic+0x218/0x508 [ 714.854224][ T27] hung_task_panic+0x0/0x2c [ 714.855419][ T27] kthread+0x12c/0x158 [ 714.856507][ T27] ret_from_fork+0x10/0x20 [ 714.857695][ T27] SMP: stopping secondary CPUs [ 714.858987][ T27] Kernel Offset: disabled [ 714.860134][ T27] CPU features: 0x00000,040e0108,4c017203 [ 714.861647][ T27] Memory Limit: none [ 715.123362][ T27] Rebooting in 86400 seconds..