Warning: Permanently added '10.128.0.52' (ED25519) to the list of known hosts. executing program [ 296.600396][ T6119] loop0: detected capacity change from 0 to 512 [ 296.605495][ T6119] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 296.620247][ T6119] EXT4-fs error (device loop0): ext4_do_update_inode:5105: inode #3: comm syz-executor414: corrupted inode contents [ 296.623673][ T6119] EXT4-fs error (device loop0): ext4_dirty_inode:5965: inode #3: comm syz-executor414: mark_inode_dirty error [ 296.627480][ T6119] EXT4-fs error (device loop0): ext4_do_update_inode:5105: inode #3: comm syz-executor414: corrupted inode contents [ 296.630319][ T6119] EXT4-fs error (device loop0): __ext4_ext_dirty:202: inode #3: comm syz-executor414: mark_inode_dirty error [ 296.634164][ T6119] Quota error (device loop0): write_blk: dquota write failed [ 296.636128][ T6119] Quota error (device loop0): qtree_write_dquot: Error -117 occurred while creating quota [ 296.639816][ T6119] EXT4-fs error (device loop0): ext4_do_update_inode:5105: inode #16: comm syz-executor414: corrupted inode contents [ 296.642973][ T6119] EXT4-fs error (device loop0): ext4_dirty_inode:5965: inode #16: comm syz-executor414: mark_inode_dirty error [ 296.646114][ T6119] EXT4-fs error (device loop0): ext4_do_update_inode:5105: inode #16: comm syz-executor414: corrupted inode contents [ 296.648935][ T6119] EXT4-fs error (device loop0): __ext4_ext_dirty:202: inode #16: comm syz-executor414: mark_inode_dirty error [ 296.651618][ T6119] EXT4-fs error (device loop0): ext4_do_update_inode:5105: inode #16: comm syz-executor414: corrupted inode contents [ 296.654481][ T6119] EXT4-fs error (device loop0) in ext4_orphan_del:305: Corrupt filesystem [ 296.657874][ T6119] EXT4-fs error (device loop0): ext4_do_update_inode:5105: inode #16: comm syz-executor414: corrupted inode contents [ 296.661019][ T6119] EXT4-fs error (device loop0): ext4_truncate:4192: inode #16: comm syz-executor414: mark_inode_dirty error [ 296.663970][ T6119] EXT4-fs error (device loop0) in ext4_process_orphan:347: Corrupt filesystem [ 296.667286][ T6119] EXT4-fs (loop0): 1 truncate cleaned up [ 296.668544][ T6119] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 571.375021][ T29] INFO: task syz-executor414:6119 blocked for more than 143 seconds. [ 571.376981][ T29] Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 571.378557][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.380619][ T29] task:syz-executor414 state:D stack:0 pid:6119 tgid:6119 ppid:6118 flags:0x00000005 [ 571.382967][ T29] Call trace: [ 571.383805][ T29] __switch_to+0x314/0x560 [ 571.384917][ T29] __schedule+0x1354/0x2360 [ 571.385888][ T29] schedule+0xb8/0x19c [ 571.386942][ T29] io_schedule+0x8c/0x12c [ 571.387997][ T29] bit_wait_io+0x1c/0xac [ 571.389051][ T29] __wait_on_bit_lock+0xcc/0x1e8 [ 571.390220][ T29] out_of_line_wait_on_bit_lock+0x194/0x21c [ 571.391637][ T29] __lock_buffer+0x78/0xac [ 571.392688][ T29] ext4_quota_write+0x36c/0x54c [ 571.393873][ T29] qtree_write_dquot+0x1dc/0x488 [ 571.395018][ T29] v2_write_dquot+0xf4/0x188 [ 571.396095][ T29] dquot_commit+0x14c/0x240 [ 571.397112][ T29] ext4_write_dquot+0x1b4/0x288 [ 571.398234][ T29] ext4_mark_dquot_dirty+0xe8/0x140 [ 571.399358][ T29] dquot_alloc_inode+0x5a4/0xb84 [ 571.400545][ T29] ext4_xattr_set_entry+0x958/0x30a8 [ 571.401717][ T29] ext4_xattr_block_set+0x54c/0x2c24 [ 571.403035][ T29] ext4_xattr_set_handle+0xc68/0x12d0 [ 571.404308][ T29] ext4_xattr_set+0x1e0/0x354 [ 571.405299][ T29] ext4_xattr_user_set+0xd4/0xfc [ 571.406413][ T29] __vfs_setxattr+0x3d8/0x400 [ 571.407540][ T29] __vfs_setxattr_noperm+0x110/0x528 [ 571.408755][ T29] __vfs_setxattr_locked+0x1ec/0x218 [ 571.409914][ T29] vfs_setxattr+0x1a8/0x344 [ 571.410893][ T29] setxattr+0x208/0x29c [ 571.411841][ T29] path_setxattr+0x17c/0x258 [ 571.412920][ T29] __arm64_sys_setxattr+0xbc/0xd8 [ 571.414070][ T29] invoke_syscall+0x98/0x2b8 [ 571.415276][ T29] el0_svc_common+0x130/0x23c [ 571.416374][ T29] do_el0_svc+0x48/0x58 [ 571.417373][ T29] el0_svc+0x54/0x158 [ 571.418241][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.419395][ T29] el0t_64_sync+0x190/0x194 [ 571.420479][ T29] [ 571.420479][ T29] Showing all locks held in the system: [ 571.422155][ T29] 1 lock held by khungtaskd/29: [ 571.423256][ T29] #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.425398][ T29] 1 lock held by klogd/5700: [ 571.426459][ T29] #0: ffff0001b4144d98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2dc/0x2360 [ 571.428513][ T29] 2 locks held by getty/5857: [ 571.429546][ T29] #0: ffff0000d27240a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 571.431746][ T29] #1: ffff800094e402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 571.434065][ T29] 6 locks held by syz-executor414/6119: [ 571.435401][ T29] #0: ffff0000d4580418 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 571.437429][ T29] #1: ffff0000dece2c00 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 [ 571.439745][ T29] #2: ffff0000dece28c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1dc/0x12d0 [ 571.442070][ T29] #3: ffff80008e805150 (dquot_srcu){.+.+}-{0:0}, at: srcu_lock_acquire+0x10/0x4c [ 571.444243][ T29] #4: ffff0000decda0a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x240 [ 571.446521][ T29] #5: ffff0000d4580210 (&s->s_dquot.dqio_sem){++++}-{3:3}, at: v2_write_dquot+0x84/0x188 [ 571.448827][ T29] [ 571.449408][ T29] ============================================= [ 571.449408][ T29] [ 571.451511][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 571.453069][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 571.455097][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 571.457462][ T29] Call trace: [ 571.458199][ T29] dump_backtrace+0x1b8/0x1e4 [ 571.459287][ T29] show_stack+0x2c/0x3c [ 571.460277][ T29] dump_stack_lvl+0xd0/0x124 [ 571.461316][ T29] dump_stack+0x1c/0x28 [ 571.462239][ T29] panic+0x30c/0x88c [ 571.463190][ T29] hung_task_panic+0x0/0x2c [ 571.464221][ T29] kthread+0x288/0x310 [ 571.465157][ T29] ret_from_fork+0x10/0x20 [ 571.466157][ T29] SMP: stopping secondary CPUs [ 571.467374][ T29] Kernel Offset: disabled [ 571.468366][ T29] CPU features: 0x0,00000020,7002004a,21017203 [ 571.469741][ T29] Memory Limit: none [ 571.768519][ T29] Rebooting in 86400 seconds..