INFO: task kworker/1:1:11849 blocked for more than 143 seconds. Not tainted 6.7.0-rc6-syzkaller-00176-g24e0d2e527a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:22544 pid:11849 tgid:11849 ppid:2 flags:0x00004000 Workqueue: events_long flush_old_commits Call Trace: context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1961/0x4ab0 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0x149/0x260 kernel/sched/core.c:6778 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6835 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6a3/0xd60 kernel/locking/mutex.c:747 reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 reiserfs_sync_fs fs/reiserfs/super.c:76 [inline] flush_old_commits+0x1e3/0x2f0 fs/reiserfs/super.c:111 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2700 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2781 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 INFO: task syz-executor.0:31160 blocked for more than 144 seconds. Not tainted 6.7.0-rc6-syzkaller-00176-g24e0d2e527a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:25040 pid:31160 tgid:31160 ppid:5085 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1961/0x4ab0 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0x149/0x260 kernel/sched/core.c:6778 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6835 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6a3/0xd60 kernel/locking/mutex.c:747 reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 reiserfs_file_release+0x4b7/0xaa0 fs/reiserfs/file.c:53 __fput+0x3cc/0x9e0 fs/file_table.c:394 __do_sys_close fs/open.c:1587 [inline] __se_sys_close fs/open.c:1572 [inline] __x64_sys_close+0x7e/0x100 fs/open.c:1572 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f553187bbda RSP: 002b:00007fff3c28d6b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f553187bbda RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f553199d980 R08: 0000001b31320000 R09: 000000000000000e R10: 000000008b147978 R11: 0000000000000293 R12: 00000000001d4f10 R13: ffffffffffffffff R14: 00007f5531400000 R15: 00000000001d475d Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffffffff8d92dae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline] ffffffff8d92dae0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline] ffffffff8d92dae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 2 locks held by getty/4809: #0: ffff88814ca000a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201 1 lock held by syz-executor.5/5089: 4 locks held by kworker/1:1/11849: #0: ffff888012c71538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline] #0: ffff888012c71538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700 #1: ffffc90016587d20 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2602 [inline] #1: ffffc90016587d20 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2700 #2: ffff888089a140e0 (&type->s_umount_key#24){++++}-{3:3}, at: flush_old_commits+0xcb/0x2f0 fs/reiserfs/super.c:97 #3: ffff888038595090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 2 locks held by syz-executor.0/31160: #0: ffff888037dc2878 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_file_release+0xdd/0xaa0 fs/reiserfs/file.c:41 #1: ffff888038595090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 8 locks held by syz-executor.0/31161: 1 lock held by syz-executor.0/32701: #0: ffff888089a140e0 (&type->s_umount_key#24){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff888089a140e0 (&type->s_umount_key#24){++++}-{3:3}, at: super_lock+0x129/0x3a0 fs/super.c:117 2 locks held by syz-executor.2/32721: ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-syzkaller-00176-g24e0d2e527a3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xfaf/0xff0 kernel/hung_task.c:379 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 31161 Comm: syz-executor.0 Not tainted 6.7.0-rc6-syzkaller-00176-g24e0d2e527a3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:memcpy_orig+0x68/0x120 arch/x86/lib/memcpy_64.S:95 Code: 5f 18 48 8d 7f 20 73 d4 83 c2 20 eb 4c 48 01 d6 48 01 d7 48 83 ea 20 66 2e 0f 1f 84 00 00 00 00 00 90 48 83 ea 20 4c 8b 46 f8 <4c> 8b 4e f0 4c 8b 56 e8 4c 8b 5e e0 48 8d 76 e0 4c 89 47 f8 4c 89 RSP: 0018:ffffc900000079f8 EFLAGS: 00000206 RAX: ffff88802773cf50 RBX: 000000000000004c RCX: ffffffff8a998c41 RDX: 000000000000000c RSI: ffff888025d28894 RDI: ffff88802773cf9c RBP: dffffc0000000000 R08: 00010002f2500007 R09: 1ffff11004ee79f3 R10: dffffc0000000000 R11: ffffed1004ee79f4 R12: ffff888025d28848 R13: 1ffff110112f315b R14: ffff888021b026e8 R15: ffff888089798a00 FS: 00007f553258e6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555566b6918 CR3: 0000000020848000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_put_data include/linux/skbuff.h:2622 [inline] __ieee80211_beacon_get+0xa71/0x15b0 net/mac80211/tx.c:5450 ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5567 ieee80211_beacon_get include/net/mac80211.h:5442 [inline] mac80211_hwsim_beacon_tx+0x3a4/0x7b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2260 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:767 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:803 mac80211_hwsim_beacon+0xd4/0x1e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2290 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x59f/0xd20 kernel/time/hrtimer.c:1752 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1769 __do_softirq+0x2b8/0x939 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu+0xf1/0x1b0 kernel/softirq.c:632 irq_exit_rcu+0x9/0x20 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x97/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1975 [inline] RIP: 0010:vprintk_emit+0x4e6/0x720 kernel/printk/printk.c:2302 Code: 21 e3 0f 85 a6 01 00 00 e8 97 b0 1d 00 44 8b 24 24 4d 85 ff 75 07 e8 89 b0 1d 00 eb 06 e8 82 b0 1d 00 fb 48 c7 c7 a0 96 80 8d <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 41 56 e8 e1 RSP: 0018:ffffc900099aec00 EFLAGS: 00000246 RAX: ffffffff8170b9de RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90004521000 RSI: 000000000003ffff RDI: ffffffff8d8096a0 RBP: ffffc900099aecf0 R08: ffffffff8170b9bb R09: 1ffffffff21bae91 R10: dffffc0000000000 R11: fffffbfff21bae92 R12: 0000000000000086 R13: dffffc0000000000 R14: ffffffff8170b83d R15: 0000000000000200 _printk+0xd5/0x120 kernel/printk/printk.c:2328 __reiserfs_warning+0x153/0x1a0 fs/reiserfs/prints.c:290 reiserfs_read_bitmap_block+0x236/0x6d0 fs/reiserfs/bitmap.c:1434 scan_bitmap_block+0x1a1/0xff0 fs/reiserfs/bitmap.c:164 scan_bitmap fs/reiserfs/bitmap.c:391 [inline] allocate_without_wrapping_disk fs/reiserfs/bitmap.c:1161 [inline] blocknrs_and_prealloc_arrays_from_search_start fs/reiserfs/bitmap.c:1274 [inline] reiserfs_allocate_blocknrs+0x2b0a/0x5070 fs/reiserfs/bitmap.c:1375 reiserfs_get_block+0x3280/0x5130 fs/reiserfs/inode.c:756 __block_write_begin_int+0x54d/0x1ad0 fs/buffer.c:2119 reiserfs_write_begin+0x24d/0x520 fs/reiserfs/inode.c:2767 generic_perform_write+0x31b/0x630 mm/filemap.c:3918 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4039 call_write_iter include/linux/fs.h:2020 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x792/0xb20 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f553187cce9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f553258e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f553199bf80 RCX: 00007f553187cce9 RDX: 000000000000076a RSI: 0000000020000b80 RDI: 0000000000000005 RBP: 00007f55318c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f553199bf80 R15: 00007fff3c28d5e8