[ 10.123248][ T2658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 10.126188][ T2658] eql: remember to turn off Van-Jacobson compression on your slave devices [ 10.158857][ T49] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 10.160732][ T2221] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.616341][ T13] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.96' (ECDSA) to the list of known hosts. executing program [ 502.794184][ T3110] loop0: detected capacity change from 0 to 32768 [ 502.798355][ T3110] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 502.800674][ T3110] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 502.806729][ T3110] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 502.809982][ T2221] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 502.811853][ T2221] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 714.735693][ T27] INFO: task kworker/1:2:2221 blocked for more than 143 seconds. [ 714.737807][ T27] Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.739801][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.742120][ T27] task:kworker/1:2 state:D stack:0 pid:2221 ppid:2 flags:0x00000008 [ 714.744586][ T27] Workqueue: gfs_recovery gfs2_recover_func [ 714.746200][ T27] Call trace: [ 714.747087][ T27] __switch_to+0x180/0x298 [ 714.748258][ T27] __schedule+0x408/0x594 [ 714.749405][ T27] schedule+0x64/0xa4 [ 714.750467][ T27] io_schedule+0x38/0xbc [ 714.751589][ T27] folio_wait_bit_common+0x430/0x97c [ 714.752995][ T27] folio_wait_bit+0x30/0x40 [ 714.754190][ T27] gfs2_jhead_process_page+0xb4/0x40c [ 714.755691][ T27] gfs2_find_jhead+0x450/0x50c [ 714.756965][ T27] gfs2_recover_func+0x278/0xcc8 [ 714.758283][ T27] process_one_work+0x2d8/0x504 [ 714.759569][ T27] worker_thread+0x340/0x610 [ 714.760796][ T27] kthread+0x12c/0x158 [ 714.761883][ T27] ret_from_fork+0x10/0x20 [ 714.763066][ T27] INFO: task syz-executor189:3110 blocked for more than 143 seconds. [ 714.765197][ T27] Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.767256][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.769561][ T27] task:syz-executor189 state:D stack:0 pid:3110 ppid:3109 flags:0x00000009 [ 714.771982][ T27] Call trace: [ 714.772820][ T27] __switch_to+0x180/0x298 [ 714.773985][ T27] __schedule+0x408/0x594 [ 714.775128][ T27] schedule+0x64/0xa4 [ 714.776242][ T27] bit_wait+0x18/0x60 [ 714.777303][ T27] out_of_line_wait_on_bit+0xc8/0x140 [ 714.778734][ T27] gfs2_recover_journal+0xc0/0x104 [ 714.780070][ T27] init_journal+0x930/0xcbc [ 714.781274][ T27] init_inodes+0x74/0x184 [ 714.782423][ T27] gfs2_fill_super+0x630/0x874 [ 714.783714][ T27] get_tree_bdev+0x1e8/0x2a0 [ 714.784921][ T27] gfs2_get_tree+0x30/0xc0 [ 714.786137][ T27] vfs_get_tree+0x40/0x140 [ 714.787314][ T27] do_new_mount+0x1dc/0x4e4 [ 714.788517][ T27] path_mount+0x358/0x890 [ 714.789651][ T27] __arm64_sys_mount+0x2c4/0x3c4 [ 714.790958][ T27] el0_svc_common+0x138/0x220 [ 714.792193][ T27] do_el0_svc+0x48/0x140 [ 714.793307][ T27] el0_svc+0x58/0x150 [ 714.794357][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.795741][ T27] el0t_64_sync+0x190/0x194 [ 714.796953][ T27] [ 714.796953][ T27] Showing all locks held in the system: [ 714.799024][ T27] 1 lock held by rcu_tasks_kthre/11: [ 714.800420][ T27] #0: ffff80000d4a4768 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.803272][ T27] 1 lock held by rcu_tasks_trace/12: [ 714.804811][ T27] #0: ffff80000d4a4db8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.807911][ T27] 1 lock held by khungtaskd/27: [ 714.809196][ T27] #0: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 [ 714.811817][ T27] 2 locks held by kworker/1:2/2221: [ 714.813228][ T27] #0: ffff0000c028d138 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x270/0x504 [ 714.816147][ T27] #1: ffff800015de3d80 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 [ 714.819096][ T27] 2 locks held by getty/2758: [ 714.820325][ T27] #0: ffff0000c535f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 [ 714.822917][ T27] #1: ffff80000f6be2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c [ 714.825660][ T27] 1 lock held by syz-executor189/3110: [ 714.827103][ T27] #0: ffff0000cb5ee0e0 (&type->s_umount_key#40/1){+.+.}-{3:3}, at: alloc_super+0xf8/0x430 [ 714.829775][ T27] [ 714.830393][ T27] ============================================= [ 714.830393][ T27] [ 714.832587][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 714.834400][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.837025][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 714.839785][ T27] Call trace: [ 714.840666][ T27] dump_backtrace+0x1c4/0x1f0 [ 714.841929][ T27] show_stack+0x2c/0x3c [ 714.843065][ T27] dump_stack_lvl+0x104/0x16c [ 714.844333][ T27] dump_stack+0x1c/0x58 [ 714.845448][ T27] panic+0x218/0x508 [ 714.846495][ T27] hung_task_panic+0x0/0x2c [ 714.847732][ T27] kthread+0x12c/0x158 [ 714.848836][ T27] ret_from_fork+0x10/0x20 [ 714.850027][ T27] SMP: stopping secondary CPUs [ 714.851373][ T27] Kernel Offset: disabled [ 714.852564][ T27] CPU features: 0x00000,040e0108,4c017203 [ 714.854089][ T27] Memory Limit: none [ 715.092154][ T27] Rebooting in 86400 seconds..