Warning: Permanently added '10.128.0.42' (ED25519) to the list of known hosts. executing program [ 283.818532][ T6186] loop0: detected capacity change from 0 to 512 [ 283.823802][ T6186] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 283.839718][ T6186] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #3: comm syz-executor343: corrupted inode contents [ 283.843300][ T6186] EXT4-fs error (device loop0): ext4_dirty_inode:5942: inode #3: comm syz-executor343: mark_inode_dirty error [ 283.847139][ T6186] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #3: comm syz-executor343: corrupted inode contents [ 283.850138][ T6186] EXT4-fs error (device loop0): __ext4_ext_dirty:202: inode #3: comm syz-executor343: mark_inode_dirty error [ 283.854202][ T6186] Quota error (device loop0): write_blk: dquota write failed [ 283.856035][ T6186] Quota error (device loop0): qtree_write_dquot: Error -117 occurred while creating quota [ 283.859757][ T6186] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #16: comm syz-executor343: corrupted inode contents [ 283.863102][ T6186] EXT4-fs error (device loop0): ext4_dirty_inode:5942: inode #16: comm syz-executor343: mark_inode_dirty error [ 283.866267][ T6186] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #16: comm syz-executor343: corrupted inode contents [ 283.869169][ T6186] EXT4-fs error (device loop0): __ext4_ext_dirty:202: inode #16: comm syz-executor343: mark_inode_dirty error [ 283.872095][ T6186] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #16: comm syz-executor343: corrupted inode contents [ 283.876046][ T6186] EXT4-fs error (device loop0) in ext4_orphan_del:305: Corrupt filesystem [ 283.878210][ T6186] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #16: comm syz-executor343: corrupted inode contents [ 283.881143][ T6186] EXT4-fs error (device loop0): ext4_truncate:4169: inode #16: comm syz-executor343: mark_inode_dirty error [ 283.883957][ T6186] EXT4-fs error (device loop0) in ext4_process_orphan:347: Corrupt filesystem [ 283.887119][ T6186] EXT4-fs (loop0): 1 truncate cleaned up [ 283.888505][ T6186] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 428.023598][ T29] INFO: task kworker/u4:8:566 blocked for more than 143 seconds. [ 428.025468][ T29] Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 428.026971][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.028868][ T29] task:kworker/u4:8 state:D stack:0 pid:566 tgid:566 ppid:2 flags:0x00000008 [ 428.031135][ T29] Workqueue: events_unbound quota_release_workfn [ 428.032578][ T29] Call trace: [ 428.033267][ T29] __switch_to+0x314/0x560 [ 428.034354][ T29] __schedule+0x1498/0x24b4 [ 428.035386][ T29] schedule+0xb8/0x19c [ 428.036295][ T29] schedule_timeout+0xb8/0x348 [ 428.037344][ T29] do_wait_for_common+0x30c/0x468 [ 428.038406][ T29] wait_for_completion+0x48/0x60 [ 428.039587][ T29] __synchronize_srcu+0x2f8/0x3a0 [ 428.040694][ T29] synchronize_srcu+0x240/0x25c [ 428.041809][ T29] quota_release_workfn+0x12c/0x684 [ 428.042978][ T29] process_one_work+0x694/0x1204 [ 428.044167][ T29] worker_thread+0x938/0xef4 [ 428.045213][ T29] kthread+0x288/0x310 [ 428.046146][ T29] ret_from_fork+0x10/0x20 [ 428.047167][ T29] INFO: task syz-executor343:6186 blocked for more than 143 seconds. [ 428.048937][ T29] Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 428.050518][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.052380][ T29] task:syz-executor343 state:D stack:0 pid:6186 tgid:6186 ppid:6185 flags:0x00000005 [ 428.054662][ T29] Call trace: [ 428.055446][ T29] __switch_to+0x314/0x560 [ 428.056406][ T29] __schedule+0x1498/0x24b4 [ 428.057400][ T29] schedule+0xb8/0x19c [ 428.058275][ T29] io_schedule+0x8c/0x12c [ 428.059193][ T29] bit_wait_io+0x1c/0xac [ 428.060140][ T29] __wait_on_bit_lock+0xcc/0x1e8 [ 428.061277][ T29] out_of_line_wait_on_bit_lock+0x194/0x21c [ 428.062616][ T29] __lock_buffer+0x78/0xac [ 428.063642][ T29] ext4_quota_write+0x36c/0x54c [ 428.064732][ T29] qtree_write_dquot+0x1dc/0x488 [ 428.065837][ T29] v2_write_dquot+0xf4/0x188 [ 428.066892][ T29] dquot_commit+0x14c/0x240 [ 428.067899][ T29] ext4_write_dquot+0x1b4/0x288 [ 428.068994][ T29] ext4_mark_dquot_dirty+0xe8/0x140 [ 428.070176][ T29] dquot_alloc_inode+0x5a4/0xb84 [ 428.071289][ T29] ext4_xattr_set_entry+0x958/0x30a8 [ 428.072474][ T29] ext4_xattr_block_set+0x54c/0x2c24 [ 428.073644][ T29] ext4_xattr_set_handle+0xc68/0x12d0 [ 428.074855][ T29] ext4_xattr_set+0x1e0/0x354 [ 428.075920][ T29] ext4_xattr_trusted_set+0x4c/0x64 [ 428.077086][ T29] __vfs_setxattr+0x3d8/0x400 [ 428.078126][ T29] __vfs_setxattr_noperm+0x110/0x528 [ 428.079340][ T29] __vfs_setxattr_locked+0x1ec/0x218 [ 428.080600][ T29] vfs_setxattr+0x1a8/0x344 [ 428.081606][ T29] setxattr+0x208/0x29c [ 428.082561][ T29] path_setxattr+0x17c/0x258 [ 428.083652][ T29] __arm64_sys_setxattr+0xbc/0xd8 [ 428.084739][ T29] invoke_syscall+0x98/0x2b8 [ 428.085808][ T29] el0_svc_common+0x130/0x23c [ 428.086815][ T29] do_el0_svc+0x48/0x58 [ 428.087757][ T29] el0_svc+0x54/0x168 [ 428.088677][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.089833][ T29] el0t_64_sync+0x190/0x194 [ 428.090967][ T29] [ 428.090967][ T29] Showing all locks held in the system: [ 428.092835][ T29] 1 lock held by khungtaskd/29: [ 428.094017][ T29] #0: ffff80008ee74ac0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.096184][ T29] 2 locks held by kworker/u4:8/566: [ 428.097339][ T29] #0: ffff0000c0021538 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 [ 428.099930][ T29] #1: ffff800098c27c20 ((quota_release_work).work){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 [ 428.102317][ T29] 2 locks held by getty/5930: [ 428.103367][ T29] #0: ffff0000d1eab0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.105742][ T29] #1: ffff800093fe02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 428.107999][ T29] 6 locks held by syz-executor343/6186: [ 428.109227][ T29] #0: ffff0000d7b5e420 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 428.111338][ T29] #1: ffff0000db594a00 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 [ 428.113764][ T29] #2: ffff0000db5946c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1dc/0x12d0 [ 428.116137][ T29] #3: ffff80008efb79d0 (dquot_srcu){.+.+}-{0:0}, at: srcu_lock_acquire+0x10/0x4c [ 428.118302][ T29] #4: ffff0000de92c0a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x240 [ 428.120419][ T29] #5: ffff0000d7b5e210 (&s->s_dquot.dqio_sem){++++}-{3:3}, at: v2_write_dquot+0x84/0x188 [ 428.122748][ T29] [ 428.123260][ T29] ============================================= [ 428.123260][ T29] [ 428.125329][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 428.126949][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 428.129013][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 428.131172][ T29] Call trace: [ 428.131931][ T29] dump_backtrace+0x1b8/0x1e4 [ 428.132994][ T29] show_stack+0x2c/0x3c [ 428.133914][ T29] dump_stack_lvl+0xd0/0x124 [ 428.134933][ T29] dump_stack+0x1c/0x28 [ 428.135867][ T29] panic+0x30c/0x88c [ 428.136771][ T29] hung_task_panic+0x0/0x2c [ 428.137812][ T29] kthread+0x288/0x310 [ 428.138790][ T29] ret_from_fork+0x10/0x20 [ 428.139804][ T29] SMP: stopping secondary CPUs [ 428.140979][ T29] Kernel Offset: disabled [ 428.142002][ T29] CPU features: 0x0,00000081,c0080094,42017203 [ 428.143427][ T29] Memory Limit: none [ 428.506354][ T29] Rebooting in 86400 seconds..