Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts. executing program [ 268.929327][ T6115] loop0: detected capacity change from 0 to 32768 [ 268.936737][ T6115] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 268.938642][ T6115] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 268.957012][ T6115] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 268.962006][ T25] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 268.963698][ T25] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 428.022228][ T29] INFO: task kworker/1:1:25 blocked for more than 143 seconds. [ 428.023997][ T29] Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 [ 428.025591][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.027532][ T29] task:kworker/1:1 state:D stack:0 pid:25 tgid:25 ppid:2 flags:0x00000008 [ 428.029907][ T29] Workqueue: gfs2_recovery gfs2_recover_func [ 428.031291][ T29] Call trace: [ 428.032029][ T29] __switch_to+0x314/0x560 [ 428.033153][ T29] __schedule+0x1354/0x2360 [ 428.034176][ T29] schedule+0xb8/0x19c [ 428.035070][ T29] io_schedule+0x8c/0x12c [ 428.036101][ T29] folio_wait_bit_common+0x65c/0xb90 [ 428.037344][ T29] folio_wait_bit+0x30/0x40 [ 428.038350][ T29] gfs2_jhead_process_page+0x154/0x4ec [ 428.039583][ T29] gfs2_find_jhead+0xa90/0xc18 [ 428.040718][ T29] gfs2_recover_func+0x51c/0x1884 [ 428.041888][ T29] process_one_work+0x694/0x1204 [ 428.043163][ T29] worker_thread+0x938/0xef4 [ 428.044194][ T29] kthread+0x288/0x310 [ 428.045118][ T29] ret_from_fork+0x10/0x20 [ 428.046166][ T29] INFO: task syz-executor910:6115 blocked for more than 143 seconds. [ 428.047991][ T29] Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 [ 428.049586][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.051538][ T29] task:syz-executor910 state:D stack:0 pid:6115 tgid:6115 ppid:6114 flags:0x0000000d [ 428.054014][ T29] Call trace: [ 428.054808][ T29] __switch_to+0x314/0x560 [ 428.055744][ T29] __schedule+0x1354/0x2360 [ 428.056759][ T29] schedule+0xb8/0x19c [ 428.057714][ T29] bit_wait+0x1c/0xac [ 428.058611][ T29] out_of_line_wait_on_bit+0x208/0x334 [ 428.059869][ T29] gfs2_recover_journal+0xd8/0x150 [ 428.061014][ T29] init_journal+0x1480/0x1fa0 [ 428.062206][ T29] init_inodes+0xe0/0x2d8 [ 428.063179][ T29] gfs2_fill_super+0x178c/0x1eec [ 428.064275][ T29] get_tree_bdev+0x33c/0x4a8 [ 428.065359][ T29] gfs2_get_tree+0x54/0x1b4 [ 428.066424][ T29] vfs_get_tree+0x90/0x288 [ 428.067467][ T29] do_new_mount+0x25c/0x8c8 [ 428.068475][ T29] path_mount+0x590/0xe04 [ 428.069518][ T29] __arm64_sys_mount+0x45c/0x594 [ 428.070632][ T29] invoke_syscall+0x98/0x2b8 [ 428.071668][ T29] el0_svc_common+0x130/0x23c [ 428.072934][ T29] do_el0_svc+0x48/0x58 [ 428.073957][ T29] el0_svc+0x54/0x158 [ 428.074938][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.076135][ T29] el0t_64_sync+0x190/0x194 [ 428.077152][ T29] [ 428.077152][ T29] Showing all locks held in the system: [ 428.078973][ T29] 2 locks held by kworker/1:1/25: [ 428.080156][ T29] #0: ffff0000c4520d38 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 [ 428.082791][ T29] #1: ffff800094007c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 [ 428.085371][ T29] 1 lock held by khungtaskd/29: [ 428.086467][ T29] #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.088685][ T29] 2 locks held by getty/5860: [ 428.089706][ T29] #0: ffff0000d743a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.091905][ T29] #1: ffff800094e402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 428.094384][ T29] 1 lock held by syz-executor910/6115: [ 428.095654][ T29] #0: ffff0000d1d4c0e0 (&type->s_umount_key#44){+.+.}-{3:3}, at: get_tree_bdev+0x2b8/0x4a8 [ 428.098065][ T29] [ 428.098636][ T29] ============================================= [ 428.098636][ T29] [ 428.100519][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 428.102100][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 [ 428.104296][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 428.106678][ T29] Call trace: [ 428.107485][ T29] dump_backtrace+0x1b8/0x1e4 [ 428.108573][ T29] show_stack+0x2c/0x3c [ 428.109580][ T29] dump_stack_lvl+0xd0/0x124 [ 428.110712][ T29] dump_stack+0x1c/0x28 [ 428.111723][ T29] panic+0x30c/0x88c [ 428.112675][ T29] hung_task_panic+0x0/0x2c [ 428.113745][ T29] kthread+0x288/0x310 [ 428.114714][ T29] ret_from_fork+0x10/0x20 [ 428.115751][ T29] SMP: stopping secondary CPUs [ 428.116907][ T29] Kernel Offset: disabled [ 428.117904][ T29] CPU features: 0x0,00000020,7002004a,21017203 [ 428.119400][ T29] Memory Limit: none [ 428.468827][ T29] Rebooting in 86400 seconds..