Warning: Permanently added '10.128.0.236' (ED25519) to the list of known hosts. executing program [ 131.714086][ T4037] loop0: detected capacity change from 0 to 32768 [ 131.784144][ T4037] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 131.786439][ T4037] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 131.865844][ T4037] gfs2: fsid=syz:syz.0: journal 0 mapped with 18 extents in 0ms [ 131.872262][ T13] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 131.874265][ T13] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 131.903392][ T13] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 29ms [ 131.905722][ T13] gfs2: fsid=syz:syz.0: jid=0: Done [ 131.907333][ T4037] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 131.915675][ T4037] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 131.915675][ T4037] inode = 11 2305843009213696292 [ 131.915675][ T4037] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 465 [ 131.921414][ T4037] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 131.923564][ T4037] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 131.925863][ T4037] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 131.928679][ T4037] gfs2: fsid=syz:syz.0: File system withdrawn [ 131.930412][ T4037] CPU: 0 PID: 4037 Comm: syz-executor407 Not tainted 5.15.181-syzkaller #0 [ 131.932627][ T4037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 131.935402][ T4037] Call trace: [ 131.936255][ T4037] dump_backtrace+0x0/0x43c [ 131.937510][ T4037] show_stack+0x2c/0x3c [ 131.938642][ T4037] __dump_stack+0x30/0x40 [ 131.939835][ T4037] dump_stack_lvl+0xf8/0x160 [ 131.941093][ T4037] dump_stack+0x1c/0x5c [ 131.942292][ T4037] gfs2_withdraw+0xc60/0x129c [ 131.943569][ T4037] gfs2_consist_inode_i+0xcc/0xe8 [ 131.944929][ T4037] gfs2_inode_refresh+0x920/0xda8 [ 131.946331][ T4037] inode_go_lock+0xfc/0x38c [ 131.947571][ T4037] do_promote+0x678/0xa70 [ 131.948744][ T4037] finish_xmote+0x450/0xb2c [ 131.950015][ T4037] do_xmote+0x674/0xf90 [ 131.951173][ T4037] run_queue+0x3fc/0x6c0 [ 131.952331][ T4037] gfs2_glock_nq+0x828/0x141c [ 131.953552][ T4037] gfs2_glock_nq_init+0x44/0x84 [ 131.954843][ T4037] gfs2_set_dqblk+0x274/0x9cc [ 131.956192][ T4037] quota_setquota+0x428/0x4b8 [ 131.957445][ T4037] do_quotactl+0x65c/0x738 [ 131.958653][ T4037] __arm64_sys_quotactl+0x2ac/0x734 [ 131.960095][ T4037] invoke_syscall+0x98/0x2b8 [ 131.961317][ T4037] el0_svc_common+0x138/0x258 [ 131.962525][ T4037] do_el0_svc+0x58/0x14c [ 131.963640][ T4037] el0_svc+0x78/0x1e0 [ 131.964689][ T4037] el0t_64_sync_handler+0xcc/0xe4 [ 131.966140][ T4037] el0t_64_sync+0x1a0/0x1a4 [ 284.697895][ T27] INFO: task syz-executor407:4036 blocked for more than 143 seconds. [ 284.700168][ T27] Not tainted 5.15.181-syzkaller #0 [ 284.701637][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.703920][ T27] task:syz-executor407 state:D stack: 0 pid: 4036 ppid: 4034 flags:0x0000000c [ 284.706357][ T27] Call trace: [ 284.707224][ T27] __switch_to+0x2f4/0x558 [ 284.708709][ T27] __schedule+0xe00/0x1c0c [ 284.709876][ T27] schedule+0x11c/0x1c8 [ 284.710944][ T27] schedule_timeout+0x180/0x2c8 [ 284.712217][ T27] gfs2_gl_hash_clear+0x174/0x2cc [ 284.713506][ T27] gfs2_put_super+0x614/0x6bc [ 284.714761][ T27] generic_shutdown_super+0x130/0x2f0 [ 284.716174][ T27] kill_block_super+0x70/0xdc [ 284.717370][ T27] gfs2_kill_sb+0xc0/0xd4 [ 284.718574][ T27] deactivate_locked_super+0xb8/0x13c [ 284.719971][ T27] deactivate_super+0xf8/0x118 [ 284.721241][ T27] cleanup_mnt+0x3a4/0x458 [ 284.722414][ T27] __cleanup_mnt+0x20/0x30 [ 284.723592][ T27] task_work_run+0x12c/0x1e0 [ 284.724791][ T27] do_notify_resume+0x24b4/0x3128 [ 284.726095][ T27] el0_svc+0xf0/0x1e0 [ 284.727175][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 284.728542][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.729688][ T27] [ 284.729688][ T27] Showing all locks held in the system: [ 284.731722][ T27] 1 lock held by khungtaskd/27: [ 284.732954][ T27] #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 284.735537][ T27] 2 locks held by getty/3795: [ 284.736820][ T27] #0: ffff0000d3604098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 284.739469][ T27] #1: ffff80001b7802e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 284.742156][ T27] 1 lock held by syz-executor407/4036: [ 284.743590][ T27] #0: ffff0000ccf9a0e0 (&type->s_umount_key#41){++++}-{3:3}, at: deactivate_super+0xf0/0x118 [ 284.746373][ T27] [ 284.747034][ T27] ============================================= [ 284.747034][ T27] [ 284.749302][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 284.751122][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.181-syzkaller #0 [ 284.753184][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 284.755766][ T27] Call trace: [ 284.756628][ T27] dump_backtrace+0x0/0x43c [ 284.757793][ T27] show_stack+0x2c/0x3c [ 284.758838][ T27] __dump_stack+0x30/0x40 [ 284.759958][ T27] dump_stack_lvl+0xf8/0x160 [ 284.761234][ T27] dump_stack+0x1c/0x5c [ 284.762346][ T27] panic+0x2e4/0x854 [ 284.763364][ T27] hung_task_panic+0x0/0x2c [ 284.764538][ T27] kthread+0x374/0x454 [ 284.765627][ T27] ret_from_fork+0x10/0x20 [ 284.766814][ T27] SMP: stopping secondary CPUs [ 284.768109][ T27] Kernel Offset: disabled [ 284.769220][ T27] CPU features: 0x8,000081c1,21302e40 [ 284.770658][ T27] Memory Limit: none [ 285.059842][ T27] Rebooting in 86400 seconds..