INFO: task kworker/0:2:972 blocked for more than 143 seconds. Not tainted 6.13.0-rc1-next-20241205-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:23728 pid:972 tgid:972 ppid:2 flags:0x00004000 Workqueue: gfs2_recovery gfs2_recover_func Call Trace: context_switch kernel/sched/core.c:5371 [inline] __schedule+0x189f/0x4c80 kernel/sched/core.c:6758 __schedule_loop kernel/sched/core.c:6835 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6850 io_schedule+0x8d/0x110 kernel/sched/core.c:7683 folio_wait_bit_common+0x839/0xee0 mm/filemap.c:1308 folio_wait_locked include/linux/pagemap.h:1236 [inline] gfs2_jhead_process_page+0x16e/0x510 fs/gfs2/lops.c:470 gfs2_find_jhead+0xd68/0xf10 fs/gfs2/lops.c:587 gfs2_recover_func+0x6c1/0x1f10 fs/gfs2/recovery.c:460 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz.1.220:6885 blocked for more than 144 seconds. Not tainted 6.13.0-rc1-next-20241205-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.220 state:D stack:22576 pid:6885 tgid:6884 ppid:5845 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5371 [inline] __schedule+0x189f/0x4c80 kernel/sched/core.c:6758 __schedule_loop kernel/sched/core.c:6835 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6850 bit_wait+0x12/0xd0 kernel/sched/wait_bit.c:237 __wait_on_bit+0xb0/0x2f0 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64 wait_on_bit include/linux/wait_bit.h:77 [inline] gfs2_recover_journal+0xf2/0x160 fs/gfs2/recovery.c:577 init_journal+0x1855/0x2410 fs/gfs2/ops_fstype.c:811 init_inodes+0xdc/0x320 fs/gfs2/ops_fstype.c:864 gfs2_fill_super+0x1bd1/0x24d0 fs/gfs2/ops_fstype.c:1249 get_tree_bdev_flags+0x48c/0x5c0 fs/super.c:1636 gfs2_get_tree+0x54/0x220 fs/gfs2/ops_fstype.c:1330 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9b60f816ba RSP: 002b:00007f9b61e28e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f9b61e28f10 RCX: 00007f9b60f816ba RDX: 0000000020037f40 RSI: 00000000200001c0 RDI: 00007f9b61e28ed0 RBP: 0000000020037f40 R08: 00007f9b61e28f10 R09: 0000000001010084 R10: 0000000001010084 R11: 0000000000000246 R12: 00000000200001c0 R13: 00007f9b61e28ed0 R14: 0000000000037f99 R15: 0000000020000000 Showing all locks held in the system: 1 lock held by rcu_exp_gp_kthr/19: 1 lock held by khungtaskd/30: #0: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744 2 locks held by kworker/0:2/972: #0: ffff88801c7c2d48 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801c7c2d48 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310 #1: ffffc90003d57d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc90003d57d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310 3 locks held by kworker/u8:6/1147: #0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310 #1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x41d/0x7a0 kernel/sched/psi.c:987 #2: ffff888033420768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6034 [inline] #2: ffff888033420768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xcf/0x490 net/wireless/core.c:424 2 locks held by getty/5593: #0: ffff88814e1c80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 1 lock held by syz.1.220/6885: #0: ffff8880254620e0 (&type->s_umount_key#71/1){+.+.}-{4:4}, at: alloc_super+0x221/0x9d0 fs/super.c:344 1 lock held by syz-executor/7143: #0: ffffffff8e93c9b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #0: ffffffff8e93c9b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:976 1 lock held by syz-executor/7516: #0: ffffffff8e93c9b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #0: ffffffff8e93c9b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:976 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-next-20241205-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0xff6/0x1040 kernel/hung_task.c:397 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 52 Comm: kworker/u8:3 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:ieee80211_sta_get_rates+0x41b/0x660 net/mac80211/util.c:1550 Code: 00 00 00 e8 c7 50 56 f6 48 8b 54 24 30 48 89 d0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 53 09 1a 44 39 7c 24 68 0f 84 cb 00 00 00 a0 50 56 f6 49 ff c7 e9 cb fe ff ff 89 d9 80 e1 07 80 c1 03 38 RSP: 0018:ffffc90000bd7798 EFLAGS: 00000206 RAX: ffffffff8b490b48 RBX: 0000000000000078 RCX: ffff8880226b3c00 RDX: 0000000000000000 RSI: 0000000000000078 RDI: 000000000000005a RBP: 000000000000005a R08: ffffffff8b490adc R09: 1ffffffff2033b36 R10: dffffc0000000000 R11: fffffbfff2033b37 R12: dffffc0000000000 R13: 0000000000000012 R14: ffff88807983b0d0 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558d057608 CR3: 000000007e472000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_update_sta_info net/mac80211/ibss.c:989 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1099 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1580 [inline] ieee80211_ibss_rx_queued_mgmt+0x11e1/0x2d70 net/mac80211/ibss.c:1607 ieee80211_iface_process_skb net/mac80211/iface.c:1607 [inline] ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1661 cfg80211_wiphy_work+0x2f0/0x490 net/wireless/core.c:438 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244