[ 10.599687][ T2658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 10.603434][ T2658] eql: remember to turn off Van-Jacobson compression on your slave devices [ 10.635650][ T29] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 10.637854][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.646939][ T109] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.112' (ECDSA) to the list of known hosts. executing program [ 497.581431][ T3109] loop0: detected capacity change from 0 to 32768 [ 497.585220][ T3109] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 497.586814][ T3109] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 497.597429][ T3109] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 497.600039][ T109] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 497.601489][ T109] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 497.625101][ T109] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 23ms [ 497.626950][ T109] gfs2: fsid=syz:syz.0: jid=0: Done [ 497.628147][ T3109] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 497.711464][ T3109] syz-executor359: attempt to access beyond end of device [ 497.711464][ T3109] loop0: rw=12288, sector=10995116295448, nr_sectors = 2 limit=32768 [ 497.714890][ T3109] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1474 [ 497.717895][ T3109] CPU: 0 PID: 3109 Comm: syz-executor359 Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 497.719941][ T3109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 497.721965][ T3109] Call trace: [ 497.722641][ T3109] dump_backtrace+0x1c4/0x1f0 [ 497.723616][ T3109] show_stack+0x2c/0x3c [ 497.724443][ T3109] dump_stack_lvl+0x104/0x16c [ 497.725549][ T3109] dump_stack+0x1c/0x58 [ 497.726497][ T3109] gfs2_assert_warn_i+0x100/0x164 [ 497.727552][ T3109] gfs2_quota_cleanup+0x2c0/0x3dc [ 497.728671][ T3109] gfs2_quota_init+0x77c/0x804 [ 497.729716][ T3109] gfs2_make_fs_rw+0x1a8/0x23c [ 497.730731][ T3109] gfs2_fill_super+0x744/0x874 [ 497.731761][ T3109] get_tree_bdev+0x1e8/0x2a0 [ 497.732757][ T3109] gfs2_get_tree+0x30/0xc0 [ 497.733714][ T3109] vfs_get_tree+0x40/0x140 [ 497.734685][ T3109] do_new_mount+0x1dc/0x4e4 [ 497.735667][ T3109] path_mount+0x358/0x890 [ 497.736544][ T3109] __arm64_sys_mount+0x2c4/0x3c4 [ 497.737559][ T3109] el0_svc_common+0x138/0x220 [ 497.738539][ T3109] do_el0_svc+0x48/0x140 [ 497.739483][ T3109] el0_svc+0x58/0x150 [ 497.740333][ T3109] el0t_64_sync_handler+0x84/0xf0 [ 497.741208][ T3109] el0t_64_sync+0x190/0x194 [ 497.742588][ T3109] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 714.766108][ T27] INFO: task kworker/0:1H:50 blocked for more than 143 seconds. [ 714.767781][ T27] Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.769521][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.771379][ T27] task:kworker/0:1H state:D stack:0 pid:50 ppid:2 flags:0x00000008 [ 714.773176][ T27] Workqueue: glock_workqueue glock_work_func [ 714.774337][ T27] Call trace: [ 714.775083][ T27] __switch_to+0x180/0x298 [ 714.776170][ T27] __schedule+0x408/0x594 [ 714.777107][ T27] schedule+0x64/0xa4 [ 714.777977][ T27] rwsem_down_write_slowpath+0x258/0x468 [ 714.779136][ T27] down_write+0x84/0x88 [ 714.780009][ T27] freeze_super+0x40/0x1f0 [ 714.780944][ T27] freeze_go_sync+0x84/0x1a8 [ 714.781933][ T27] do_xmote+0x188/0xa98 [ 714.782839][ T27] run_queue+0x294/0x3c4 [ 714.783727][ T27] glock_work_func+0x190/0x288 [ 714.784736][ T27] process_one_work+0x2d8/0x504 [ 714.785657][ T27] worker_thread+0x340/0x610 [ 714.786561][ T27] kthread+0x12c/0x158 [ 714.787384][ T27] ret_from_fork+0x10/0x20 [ 714.788370][ T27] INFO: task syz-executor359:3109 blocked for more than 143 seconds. [ 714.789806][ T27] Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.791172][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.793036][ T27] task:syz-executor359 state:D stack:0 pid:3109 ppid:3108 flags:0x00000009 [ 714.794970][ T27] Call trace: [ 714.795705][ T27] __switch_to+0x180/0x298 [ 714.796824][ T27] __schedule+0x408/0x594 [ 714.797785][ T27] schedule+0x64/0xa4 [ 714.798648][ T27] schedule_timeout+0x64/0x1b4 [ 714.799737][ T27] do_wait_for_common+0xf4/0x184 [ 714.800795][ T27] wait_for_completion+0x48/0x60 [ 714.801906][ T27] __flush_workqueue+0x2b0/0x6dc [ 714.803050][ T27] gfs2_gl_hash_clear+0x64/0x1b0 [ 714.804116][ T27] gfs2_fill_super+0x554/0x874 [ 714.805162][ T27] get_tree_bdev+0x1e8/0x2a0 [ 714.806216][ T27] gfs2_get_tree+0x30/0xc0 [ 714.807151][ T27] vfs_get_tree+0x40/0x140 [ 714.808055][ T27] do_new_mount+0x1dc/0x4e4 [ 714.808902][ T27] path_mount+0x358/0x890 [ 714.809768][ T27] __arm64_sys_mount+0x2c4/0x3c4 [ 714.810848][ T27] el0_svc_common+0x138/0x220 [ 714.811925][ T27] do_el0_svc+0x48/0x140 [ 714.812802][ T27] el0_svc+0x58/0x150 [ 714.813658][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.814751][ T27] el0t_64_sync+0x190/0x194 [ 714.815653][ T27] [ 714.815653][ T27] Showing all locks held in the system: [ 714.817283][ T27] 1 lock held by rcu_tasks_kthre/11: [ 714.818370][ T27] #0: ffff80000d4a4768 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.820401][ T27] 1 lock held by rcu_tasks_trace/12: [ 714.821496][ T27] #0: ffff80000d4a4db8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.823728][ T27] 1 lock held by khungtaskd/27: [ 714.824757][ T27] #0: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 [ 714.826710][ T27] 3 locks held by kworker/0:1H/50: [ 714.827672][ T27] #0: ffff0000c028df38 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x270/0x504 [ 714.829874][ T27] #1: ffff80000f723d80 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 [ 714.832364][ T27] #2: ffff0000cb71b0e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: freeze_super+0x40/0x1f0 [ 714.834408][ T27] 2 locks held by getty/2760: [ 714.835404][ T27] #0: ffff0000c4344098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 [ 714.837642][ T27] #1: ffff80000f6be2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c [ 714.839757][ T27] 1 lock held by syz-executor359/3109: [ 714.840904][ T27] #0: ffff0000cb71b0e0 (&type->s_umount_key#40/1){+.+.}-{3:3}, at: alloc_super+0xf8/0x430 [ 714.843130][ T27] [ 714.843654][ T27] ============================================= [ 714.843654][ T27] [ 714.845419][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 714.846887][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.849031][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 714.851282][ T27] Call trace: [ 714.852002][ T27] dump_backtrace+0x1c4/0x1f0 [ 714.853089][ T27] show_stack+0x2c/0x3c [ 714.853927][ T27] dump_stack_lvl+0x104/0x16c [ 714.854948][ T27] dump_stack+0x1c/0x58 [ 714.855760][ T27] panic+0x218/0x508 [ 714.856606][ T27] hung_task_panic+0x0/0x2c [ 714.857588][ T27] kthread+0x12c/0x158 [ 714.858365][ T27] ret_from_fork+0x10/0x20 [ 714.859390][ T27] SMP: stopping secondary CPUs [ 714.860442][ T27] Kernel Offset: disabled [ 714.861353][ T27] CPU features: 0x00000,040e0108,4c017203 [ 714.862620][ T27] Memory Limit: none [ 715.149199][ T27] Rebooting in 86400 seconds..