Warning: Permanently added '10.128.0.128' (ED25519) to the list of known hosts. executing program [ 302.164294][ T6114] loop0: detected capacity change from 0 to 512 [ 302.169098][ T6114] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 302.180279][ T6114] EXT4-fs error (device loop0): ext4_do_update_inode:5105: inode #3: comm syz-executor592: corrupted inode contents [ 302.183837][ T6114] EXT4-fs error (device loop0): ext4_dirty_inode:5965: inode #3: comm syz-executor592: mark_inode_dirty error [ 302.188407][ T6114] EXT4-fs error (device loop0): ext4_do_update_inode:5105: inode #3: comm syz-executor592: corrupted inode contents [ 302.191630][ T6114] EXT4-fs error (device loop0): __ext4_ext_dirty:202: inode #3: comm syz-executor592: mark_inode_dirty error [ 302.196158][ T6114] Quota error (device loop0): write_blk: dquota write failed [ 302.198122][ T6114] Quota error (device loop0): qtree_write_dquot: Error -117 occurred while creating quota [ 302.204091][ T6114] EXT4-fs (loop0): 1 orphan inode deleted [ 302.205599][ T6114] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 571.365319][ T29] INFO: task kworker/u4:1:12 blocked for more than 143 seconds. [ 571.367261][ T29] Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 571.368944][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.371115][ T29] task:kworker/u4:1 state:D stack:0 pid:12 tgid:12 ppid:2 flags:0x00000008 [ 571.373700][ T29] Workqueue: events_unbound quota_release_workfn [ 571.375366][ T29] Call trace: [ 571.376215][ T29] __switch_to+0x314/0x560 [ 571.377344][ T29] __schedule+0x1354/0x2360 [ 571.378431][ T29] schedule+0xb8/0x19c [ 571.379446][ T29] schedule_timeout+0xb8/0x348 [ 571.380659][ T29] do_wait_for_common+0x30c/0x468 [ 571.381947][ T29] wait_for_completion+0x48/0x60 [ 571.383152][ T29] __synchronize_srcu+0x2f8/0x3a0 [ 571.384426][ T29] synchronize_srcu+0x240/0x25c [ 571.385666][ T29] quota_release_workfn+0x12c/0x684 [ 571.386902][ T29] process_one_work+0x694/0x1204 [ 571.388191][ T29] worker_thread+0x938/0xef4 [ 571.389352][ T29] kthread+0x288/0x310 [ 571.390422][ T29] ret_from_fork+0x10/0x20 [ 571.391658][ T29] INFO: task syz-executor592:6114 blocked for more than 143 seconds. [ 571.393728][ T29] Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 571.395574][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.397682][ T29] task:syz-executor592 state:D stack:0 pid:6114 tgid:6114 ppid:6113 flags:0x00000005 [ 571.400255][ T29] Call trace: [ 571.401078][ T29] __switch_to+0x314/0x560 [ 571.402151][ T29] __schedule+0x1354/0x2360 [ 571.403298][ T29] schedule+0xb8/0x19c [ 571.404300][ T29] io_schedule+0x8c/0x12c [ 571.405385][ T29] bit_wait_io+0x1c/0xac [ 571.406464][ T29] __wait_on_bit_lock+0xcc/0x1e8 [ 571.407696][ T29] out_of_line_wait_on_bit_lock+0x194/0x21c [ 571.409157][ T29] __lock_buffer+0x78/0xac [ 571.410230][ T29] ext4_quota_write+0x36c/0x54c [ 571.411523][ T29] qtree_write_dquot+0x1dc/0x488 [ 571.412812][ T29] v2_write_dquot+0xf4/0x188 [ 571.413991][ T29] dquot_commit+0x14c/0x240 [ 571.415135][ T29] ext4_write_dquot+0x1b4/0x288 [ 571.416418][ T29] ext4_mark_dquot_dirty+0xe8/0x140 [ 571.417715][ T29] __dquot_free_space+0x7cc/0xd68 [ 571.419027][ T29] ext4_xattr_inode_free_quota+0x11c/0x188 [ 571.420485][ T29] ext4_xattr_set_entry+0xcc0/0x30a8 [ 571.421854][ T29] ext4_xattr_block_set+0x54c/0x2c24 [ 571.423142][ T29] ext4_xattr_set_handle+0xc68/0x12d0 [ 571.424440][ T29] ext4_xattr_set+0x1e0/0x354 [ 571.425676][ T29] ext4_xattr_trusted_set+0x4c/0x64 [ 571.427025][ T29] __vfs_setxattr+0x3d8/0x400 [ 571.428225][ T29] __vfs_setxattr_noperm+0x110/0x528 [ 571.429567][ T29] __vfs_setxattr_locked+0x1ec/0x218 [ 571.430901][ T29] vfs_setxattr+0x1a8/0x344 [ 571.432070][ T29] setxattr+0x208/0x29c [ 571.433107][ T29] path_setxattr+0x17c/0x258 [ 571.434285][ T29] __arm64_sys_lsetxattr+0xbc/0xd8 [ 571.435602][ T29] invoke_syscall+0x98/0x2b8 [ 571.436754][ T29] el0_svc_common+0x130/0x23c [ 571.437870][ T29] do_el0_svc+0x48/0x58 [ 571.438939][ T29] el0_svc+0x54/0x158 [ 571.439908][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.441149][ T29] el0t_64_sync+0x190/0x194 [ 571.442282][ T29] [ 571.442282][ T29] Showing all locks held in the system: [ 571.444181][ T29] 2 locks held by kworker/u4:1/12: [ 571.445475][ T29] #0: ffff0000c0021938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 [ 571.448407][ T29] #1: ffff800092fb7c20 ((quota_release_work).work){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 [ 571.451135][ T29] 1 lock held by khungtaskd/29: [ 571.452315][ T29] #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.454649][ T29] 2 locks held by getty/5855: [ 571.455868][ T29] #0: ffff0000d25170a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 571.458266][ T29] #1: ffff800094e802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 571.460833][ T29] 6 locks held by syz-executor592/6114: [ 571.462248][ T29] #0: ffff0000d1cee418 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 571.464568][ T29] #1: ffff0000df0b1800 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 [ 571.467324][ T29] #2: ffff0000df0b14c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1dc/0x12d0 [ 571.469884][ T29] #3: ffff80008e805150 (dquot_srcu){.+.+}-{0:0}, at: srcu_lock_acquire+0x10/0x4c [ 571.472303][ T29] #4: ffff0000df0fc0a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x240 [ 571.474666][ T29] #5: ffff0000d1cee210 (&s->s_dquot.dqio_sem){++++}-{3:3}, at: v2_write_dquot+0x84/0x188 [ 571.477297][ T29] [ 571.477838][ T29] ============================================= [ 571.477838][ T29] [ 571.479880][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 571.481640][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 571.484066][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 571.486531][ T29] Call trace: [ 571.487365][ T29] dump_backtrace+0x1b8/0x1e4 [ 571.488613][ T29] show_stack+0x2c/0x3c [ 571.489716][ T29] dump_stack_lvl+0xd0/0x124 [ 571.490858][ T29] dump_stack+0x1c/0x28 [ 571.491926][ T29] panic+0x30c/0x88c [ 571.492973][ T29] hung_task_panic+0x0/0x2c [ 571.494125][ T29] kthread+0x288/0x310 [ 571.495156][ T29] ret_from_fork+0x10/0x20 [ 571.496362][ T29] SMP: stopping secondary CPUs [ 571.497576][ T29] Kernel Offset: disabled [ 571.498709][ T29] CPU features: 0x0,00000020,7002004a,21017203 [ 571.500290][ T29] Memory Limit: none [ 571.891238][ T29] Rebooting in 86400 seconds..