INFO: task kworker/1:3:5165 blocked for more than 143 seconds. Not tainted 6.2.0-rc6-syzkaller-00239-g0136d86b7852 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:24760 pid:5165 ppid:2 flags:0x00004000 Workqueue: reiserfs/loop1 flush_async_commits Call Trace: __schedule+0x13ca/0x43c0 schedule+0xc3/0x190 schedule_preempt_disabled+0x13/0x20 __mutex_lock_common+0xdb6/0x2630 mutex_lock_nested+0x1b/0x20 reiserfs_write_lock+0x7a/0xd0 flush_async_commits+0x46/0xc0 process_one_work+0x96c/0x13e0 worker_thread+0xa63/0x1210 kthread+0x270/0x300 ret_from_fork+0x1f/0x30 Showing all locks held in the system: 2 locks held by kworker/u4:0/9: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8cf26e10 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xce0 1 lock held by rcu_tasks_trace/13: #0: ffffffff8cf27610 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xce0 1 lock held by khungtaskd/28: #0: ffffffff8cf26c40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/4747: #0: ffff888027f62098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1630 3 locks held by kworker/1:3/5165: #0: ffff88802d10f138 ((wq_completion)reiserfs/loop1){+.+.}-{0:0}, at: process_one_work+0x7eb/0x13e0 #1: ffffc90004977d20 ((work_completion)(&(&journal->j_work)->work)){+.+.}-{0:0}, at: process_one_work+0x835/0x13e0 #2: ffff888022923090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 4 locks held by kworker/0:6/5170: #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x7eb/0x13e0 #1: ffffc900049d7d20 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x835/0x13e0 #2: ffff8880204120e0 (&type->s_umount_key#94){++++}-{3:3}, at: flush_old_commits+0xcb/0x2e0 #3: ffff888022923090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 3 locks held by syz-executor.1/10008: 2 locks held by syz-executor.1/10771: #0: ffff8880204120e0 (&type->s_umount_key#94){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 #1: ffff888022923090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 2 locks held by syz-executor.2/10793: #0: ffff8880204120e0 (&type->s_umount_key#94){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 #1: ffff888022923090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 2 locks held by syz-executor.2/10836: #0: ffff8880204120e0 (&type->s_umount_key#94){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 #1: ffff888022923090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 2 locks held by syz-executor.2/10837: #0: ffff8880204120e0 (&type->s_umount_key#94){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 #1: ffff888022923090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 2 locks held by syz-executor.2/10937: #0: ffff8880204120e0 (&type->s_umount_key#94){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 #1: ffff888022923090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 2 locks held by syz-executor.2/10965: #0: ffff8880204120e0 (&type->s_umount_key#94){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 #1: ffff888022923090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 2 locks held by syz-executor.1/10952: #0: ffff8880204120e0 (&type->s_umount_key#94){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 #1: ffff888022923090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc6-syzkaller-00239-g0136d86b7852 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: dump_stack_lvl+0x1b5/0x2a0 nmi_cpu_backtrace+0x47b/0x500 nmi_trigger_cpumask_backtrace+0x1d3/0x430 watchdog+0xf70/0xfb0 kthread+0x270/0x300 ret_from_fork+0x1f/0x30 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 33 Comm: kworker/u4:2 Not tainted 6.2.0-rc6-syzkaller-00239-g0136d86b7852 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: phy11 ieee80211_iface_work RIP: 0010:ieee802_11_parse_elems_full+0x5e/0x2490 Code: 00 00 00 fc ff df 48 c7 84 24 40 01 00 00 b3 8a b5 41 48 c7 84 24 48 01 00 00 3c bb a4 8c 48 c7 84 24 50 01 00 00 f0 3c 20 8a <4c> 8d a4 24 40 01 00 00 49 c1 ec 03 48 b8 f1 f1 f1 f1 01 f2 00 00 RSP: 0018:ffffc90000aa7660 EFLAGS: 00000286 RAX: 2ac0867fe4562e00 RBX: ffffc90000aa7b20 RCX: dffffc0000000000 RDX: ffff888012638000 RSI: 000000000000004c RDI: ffffc90000aa7b20 RBP: ffffc90000aa78f0 R08: ffffffff8a13d82f R09: ffffffff8a13d555 R10: 0000000000000006 R11: ffff888012638000 R12: ffff888031289ae0 R13: ffff888031288c80 R14: ffffc90000aa7b20 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fd419d7150 CR3: 0000000029abe000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_ibss_rx_queued_mgmt+0x5ba/0x2fb0 ieee80211_iface_work+0x7bd/0xd00 process_one_work+0x96c/0x13e0 worker_thread+0xa63/0x1210 kthread+0x270/0x300 ret_from_fork+0x1f/0x30