INFO: task syz.4.3113:18098 blocked for more than 145 seconds.
Not tainted 6.10.0-rc6-next-20240703-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.3113 state:D stack:24672 pid:18098 tgid:18098 ppid:16553 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5248 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6600
__schedule_loop kernel/sched/core.c:6677 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6692
io_schedule+0x8d/0x110 kernel/sched/core.c:7477
folio_wait_bit_common+0x882/0x12b0 mm/filemap.c:1307
folio_lock include/linux/pagemap.h:1050 [inline]
remove_inode_single_folio fs/hugetlbfs/inode.c:603 [inline]
remove_inode_hugepages+0x508/0x1520 fs/hugetlbfs/inode.c:669
hugetlbfs_evict_inode+0x23/0x70 fs/hugetlbfs/inode.c:689
evict+0x2a8/0x630 fs/inode.c:669
__dentry_kill+0x20d/0x630 fs/dcache.c:603
dput+0x19f/0x2b0 fs/dcache.c:845
__fput+0x5f8/0x8a0 fs/file_table.c:430
task_work_run+0x24f/0x310 kernel/task_work.c:204
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2337175bd9
RSP: 002b:00007ffe917913c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000011a341 RCX: 00007f2337175bd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: ffffffffffffffff R08: 0000000000000001 R09: 00000004917916ff
R10: 00007f2337000000 R11: 0000000000000246 R12: 00007f2337303f6c
R13: 0000000000000032 R14: 00007f2337305a60 R15: 00007f2337303f60
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e335860 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:333 [inline]
#0: ffffffff8e335860 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:845 [inline]
#0: ffffffff8e335860 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6704
3 locks held by kworker/u8:8/2453:
2 locks held by getty/4861:
#0: ffff88802a7fe0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
3 locks held by kworker/1:8/5188:
#0:
ffff888015080948
((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1:
ffffc900045c7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
ffffc900045c7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
3 locks held by kworker/1:3/16759:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1: ffffc9000ba07d00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc9000ba07d00 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
1 lock held by syz.4.3113/18098:
#0: ffff88801aad48d8 (&hugetlb_fault_mutex_table[i]){+.+.}-{3:3}, at: remove_inode_hugepages+0x38e/0x1520 fs/hugetlbfs/inode.c:664
5 locks held by kworker/u8:5/18362:
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1: ffffc9000338fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc9000338fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5f2c10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: cleanup_net+0x6af/0xcc0 net/core/net_namespace.c:630
#4: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline]
#4: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:980
1 lock held by syz-executor/19166:
#0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:149 [inline]
#0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 net/core/rtnetlink.c:6725
1 lock held by syz.3.3320/19206:
1 lock held by syz.2.3322/19215:
#0: ffff88802bd340e0 (&type->s_umount_key#72/1){+.+.}-{3:3}, at: alloc_super+0x221/0x9d0 fs/super.c:344
1 lock held by syz.1.3323/19217:
#0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:149 [inline]
#0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 net/core/rtnetlink.c:6725
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc6-next-20240703-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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:223 [inline]
watchdog+0xfee/0x1030 kernel/hung_task.c:379
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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 52 Comm: kworker/u8:3 Not tainted 6.10.0-rc6-next-20240703-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:memset_orig+0x42/0xb0 arch/x86/lib/memset_64.S:71
Code: c1 41 89 f9 41 83 e1 07 75 70 48 89 d1 48 c1 e9 06 74 35 0f 1f 44 00 00 48 ff c9 48 89 07 48 89 47 08 48 89 47 10 48 89 47 18 <48> 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d8
RSP: 0018:ffffc90000bc7548 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff8880616ce800 RCX: 0000000000000004
RDX: 0000000000000400 RSI: 0000000000000000 RDI: ffff8880616ceac0
RBP: 0000000000000300 R08: ffffc90000bc7a7f R09: 0000000000000000
R10: ffff8880616ce800 R11: fffff52000178f50 R12: 0000000000000920
R13: ffff888015041dc0 R14: ffffffff8b0f57fb R15: 0000000000000400
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020111000 CR3: 000000000e132000 CR4: 00000000003506f0
DR0: 0000000000006000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
slab_post_alloc_hook mm/slub.c:3978 [inline]
slab_alloc_node mm/slub.c:4037 [inline]
__do_kmalloc_node mm/slub.c:4157 [inline]
__kmalloc_noprof+0x1c5/0x400 mm/slub.c:4170
kmalloc_noprof include/linux/slab.h:684 [inline]
kzalloc_noprof include/linux/slab.h:806 [inline]
ieee802_11_parse_elems_full+0xdb/0x2880 net/mac80211/parse.c:958
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2361 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2368 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x4c8/0x2d70 net/mac80211/ibss.c:1606
ieee80211_iface_process_skb net/mac80211/iface.c:1584 [inline]
ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1638
cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440
process_one_work kernel/workqueue.c:3224 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3305
worker_thread+0x86d/0xd40 kernel/workqueue.c:3383
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