INFO: task syz-executor.4:6298 blocked for more than 143 seconds.
Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28176 pid:6298 tgid:6294 ppid:5686 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6838
xfs_ail_push_all_sync+0x171/0x230 fs/xfs/xfs_trans_ail.c:742
xfs_log_quiesce+0xac/0x330 fs/xfs/xfs_log.c:1070
xfs_log_clean+0x15/0x20 fs/xfs/xfs_log.c:1082
xfs_remount_ro fs/xfs/xfs_super.c:1891 [inline]
xfs_fs_reconfigure+0x894/0xa50 fs/xfs/xfs_super.c:1947
reconfigure_super+0x44f/0xb20 fs/super.c:1071
vfs_cmd_reconfigure fs/fsopen.c:267 [inline]
vfs_fsconfig_locked fs/fsopen.c:296 [inline]
__do_sys_fsconfig+0x991/0xb90 fs/fsopen.c:476
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f358867dca9
RSP: 002b:00007f35894590c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007f35887ac050 RCX: 00007f358867dca9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007f35886c947e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f35887ac050 R15: 00007ffc64e49d58
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
4 locks held by kworker/u8:9/2841:
2 locks held by getty/4830:
#0: ffff88802a6c20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002efe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
3 locks held by kworker/0:7/5144:
#0: ffff8880196e8948 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x1296/0x1ac0 kernel/workqueue.c:3242
#1: ffffc90003777d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x906/0x1ac0 kernel/workqueue.c:3243
#2: ffff88802382a190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#2: ffff88802382a190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4e20 drivers/usb/core/hub.c:5850
1 lock held by syz-executor.2/6018:
#0: ffffffff8d7bc538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#0: ffffffff8d7bc538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x682/0x7a0 kernel/rcu/tree_exp.h:939
2 locks held by syz-executor.4/6298:
#0: ffff888021fdd070 (&fc->uapi_mutex){+.+.}-{3:3}, at: __do_sys_fsconfig+0x7d4/0xb90 fs/fsopen.c:474
#1: ffff8880611700e0 (&type->s_umount_key#75){+.+.}-{3:3}, at: vfs_cmd_reconfigure fs/fsopen.c:266 [inline]
#1: ffff8880611700e0 (&type->s_umount_key#75){+.+.}-{3:3}, at: vfs_fsconfig_locked fs/fsopen.c:296 [inline]
#1: ffff8880611700e0 (&type->s_umount_key#75){+.+.}-{3:3}, at: __do_sys_fsconfig+0x987/0xb90 fs/fsopen.c:476
4 locks held by syz-executor.4/8166:
1 lock held by syz-executor.1/8619:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf86/0x1240 kernel/hung_task.c:380
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 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 PID: 2841 Comm: kworker/u8:9 Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:write_comp_data+0x7d/0x90 kernel/kcov.c:262
Code: 00 00 4a 8d 34 dd 28 00 00 00 48 39 f2 72 1b 48 83 c7 01 48 89 38 4c 89 44 30 e0 4c 89 4c 30 e8 4c 89 54 30 f0 4a 89 4c d8 20 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90
RSP: 0018:ffffc9000ab37958 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 000000000000000a RCX: ffffffff8a5812d2
RDX: ffff88802b4d5a00 RSI: 000000000000003f RDI: 0000000000000005
RBP: 000000000000000a R08: 0000000000000005 R09: 000000000000003f
R10: 000000000000000a R11: 0000000000000004 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000400 R15: 00000000000001e0
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe5d04d66e4 CR3: 00000000652b2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_sta_get_rates+0x3c2/0x650 net/mac80211/util.c:1559
ieee80211_update_sta_info net/mac80211/ibss.c:988 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1097 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1578 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1039/0x2f40 net/mac80211/ibss.c:1605
ieee80211_iface_process_skb net/mac80211/iface.c:1605 [inline]
ieee80211_iface_work+0xc07/0xf00 net/mac80211/iface.c:1659
cfg80211_wiphy_work+0x255/0x330 net/wireless/core.c:437
process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3267
process_scheduled_works kernel/workqueue.c:3348 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3429
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244