INFO: task syz-executor.0:5043 blocked for more than 143 seconds.
Not tainted 6.5.0-rc5-syzkaller-00353-gae545c3283dc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:20600 pid:5043 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138
__flush_work+0x130/0x1b0 kernel/workqueue.c:3389
nilfs_segctor_destroy fs/nilfs2/segment.c:2761 [inline]
nilfs_detach_log_writer+0x47d/0xbe0 fs/nilfs2/segment.c:2845
nilfs_put_super+0x4d/0x160 fs/nilfs2/super.c:498
generic_shutdown_super+0x134/0x340 fs/super.c:499
kill_block_super+0x68/0xa0 fs/super.c:1417
deactivate_locked_super+0xa4/0x110 fs/super.c:330
cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254
task_work_run+0x24a/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f54aec7de17
RSP: 002b:00007ffc226178a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f54aec7de17
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffc22617960
RBP: 00007ffc22617960 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc22618a20
R13: 00007f54aecc73b9 R14: 0000000000280108 R15: 0000000000000016
INFO: task syz-executor.2:31929 blocked for more than 143 seconds.
Not tainted 6.5.0-rc5-syzkaller-00353-gae545c3283dc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:23688 pid:31929 ppid:5054 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x9c/0x2f0 kernel/locking/rwsem.c:1522
iterate_supers+0xb0/0x1e0 fs/super.c:742
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f205be7cae9
RSP: 002b:00007f205cc2a0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f205bf9bf80 RCX: 00007f205be7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f205bec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f205bf9bf80 R15: 00007ffeea119da8
INFO: task syz-executor.4:31981 blocked for more than 143 seconds.
Not tainted 6.5.0-rc5-syzkaller-00353-gae545c3283dc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:25064 pid:31981 ppid:5065 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x9c/0x2f0 kernel/locking/rwsem.c:1522
iterate_supers+0xb0/0x1e0 fs/super.c:742
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1af427cae9
RSP: 002b:00007f1aeb9dd0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f1af439c050 RCX: 00007f1af427cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f1af42c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f1af439c050 R15: 00007ffd72927138
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8d3295b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8d329970 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
#0: ffffffff8d3293e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4767:
#0: ffff888029725098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2187
1 lock held by syz-executor.0/5043:
#0: ffff88803e1720e0 (&type->s_umount_key#60){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:360
2 locks held by kworker/u4:7/5919:
#0: ffff8880b993bf98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1: ffffc9000be87d00 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
3 locks held by kworker/1:11/13330:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc900164d7d00 ((work_completion)(&sci->sc_iput_work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffff88803e172600 (sb_internal#4){.+.+}-{0:0}, at: nilfs_evict_inode+0x167/0x500 fs/nilfs2/inode.c:929
1 lock held by syz-executor.2/31929:
#0: ffff88803e1720e0 (&type->s_umount_key#60){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 fs/super.c:742
1 lock held by syz-executor.4/31981:
#0: ffff88803e1720e0 (&type->s_umount_key#60){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 fs/super.c:742
1 lock held by syz-executor.2/32081:
#0: ffff88803e1720e0 (&type->s_umount_key#60){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 fs/super.c:742
1 lock held by syz-executor.4/32083:
#0: ffff88803e1720e0 (&type->s_umount_key#60){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 fs/super.c:742
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc5-syzkaller-00353-gae545c3283dc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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+0x187/0x300 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+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 13319 Comm: kworker/1:4 Not tainted 6.5.0-rc5-syzkaller-00353-gae545c3283dc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events cfg80211_wiphy_work
RIP: 0010:__lock_acquire+0x36c/0x7f70
Code: 0d 00 0f 85 a6 13 00 00 48 c7 c7 80 96 0a 8b 48 c7 c6 80 be 0a 8b e8 b3 ba e7 ff 0f 0b e9 8c 13 00 00 48 8b 44 24 58 4c 89 e3 <49> 89 c4 4c 8d a8 c8 0a 00 00 83 fb 31 88 94 24 b0 00 00 00 0f 83
RSP: 0018:ffffc90015d56ca0 EFLAGS: 00000046
RAX: ffff888077b6d940 RBX: 0000000000000005 RCX: 0000000000000001
RDX: ffffffff921c2801 RSI: 0000000000000000 RDI: ffffffff921c2870
RBP: ffffc90015d56f68 R08: dffffc0000000000 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff1d30e8e R12: 0000000000000005
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888077b6e4c8
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001af1000 CR3: 000000000d130000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5761
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
__debug_check_no_obj_freed lib/debugobjects.c:1020 [inline]
debug_check_no_obj_freed+0xcc/0x420 lib/debugobjects.c:1063
slab_free_hook mm/slub.c:1767 [inline]
slab_free_freelist_hook mm/slub.c:1818 [inline]
slab_free mm/slub.c:3801 [inline]
__kmem_cache_free+0x20c/0x3b0 mm/slub.c:3814
ieee80211_inform_bss+0xba2/0x1050 net/mac80211/scan.c:160
rdev_inform_bss+0x11b/0x470 net/wireless/rdev-ops.h:418
cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2885 [inline]
cfg80211_inform_bss_frame_data+0xe85/0x1870 net/wireless/scan.c:2912
ieee80211_bss_info_update+0x80c/0xb20 net/mac80211/scan.c:211
ieee80211_rx_bss_info net/mac80211/ibss.c:1124 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1613 [inline]
ieee80211_ibss_rx_queued_mgmt+0x18e5/0x2ca0 net/mac80211/ibss.c:1642
ieee80211_iface_process_skb net/mac80211/iface.c:1604 [inline]
ieee80211_iface_work+0x7bd/0xcf0 net/mac80211/iface.c:1658
cfg80211_wiphy_work+0x21e/0x250 net/wireless/core.c:435
process_one_work+0x92c/0x12c0 kernel/workqueue.c:2600
worker_thread+0xa63/0x1210 kernel/workqueue.c:2751
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304