INFO: task syz-executor.0:10986 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-syzkaller-00016-ga4d7d7011219 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:23920 pid:10986 ppid:5033 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
__f2fs_write_data_pages fs/f2fs/data.c:3295 [inline]
f2fs_write_data_pages+0xc2e/0x10a0 fs/f2fs/data.c:3327
do_writepages+0x1a8/0x640 mm/page-writeback.c:2551
filemap_fdatawrite_wbc mm/filemap.c:390 [inline]
filemap_fdatawrite_wbc+0x147/0x1b0 mm/filemap.c:380
__filemap_fdatawrite_range+0xb8/0xf0 mm/filemap.c:423
filemap_write_and_wait_range mm/filemap.c:678 [inline]
filemap_write_and_wait_range+0xa1/0x120 mm/filemap.c:669
__iomap_dio_rw+0x65f/0x1f90 fs/iomap/direct-io.c:569
f2fs_dio_write_iter fs/f2fs/file.c:4613 [inline]
f2fs_file_write_iter+0x92a/0x24d0 fs/f2fs/file.c:4721
call_write_iter include/linux/fs.h:1868 [inline]
do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735
do_iter_write+0x185/0x7e0 fs/read_write.c:860
vfs_iter_write+0x74/0xa0 fs/read_write.c:901
iter_file_splice_write+0x743/0xc80 fs/splice.c:795
do_splice_from fs/splice.c:873 [inline]
direct_splice_actor+0x114/0x180 fs/splice.c:1039
splice_direct_to_actor+0x335/0x8a0 fs/splice.c:994
do_splice_direct+0x1ab/0x280 fs/splice.c:1082
do_sendfile+0xb19/0x12c0 fs/read_write.c:1254
__do_sys_sendfile64 fs/read_write.c:1322 [inline]
__se_sys_sendfile64 fs/read_write.c:1308 [inline]
__x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1308
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0c95e8c169
RSP: 002b:00007f0c903bc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f0c95fac1f0 RCX: 00007f0c95e8c169
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000007
RBP: 00007f0c95ee7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe5e0a8d6f R14: 00007f0c903bc300 R15: 0000000000022000
</TASK>
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c7984b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c7981b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
4 locks held by kauditd/27:
1 lock held by khungtaskd/28:
#0: ffffffff8c7990c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6559
3 locks held by kworker/0:2/754:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
#1: ffffc90003d2fdb0 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
#2: ffffffff8e115368 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xf/0x70 net/core/link_watch.c:277
2 locks held by getty/4755:
#0: ffff88814ad64098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2176
1 lock held by syz-executor.1/5039:
#0: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#0: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770 kernel/rcu/tree_exp.h:992
3 locks held by kworker/0:10/6357:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
#1: ffffc90005ccfdb0 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
#2: ffffffff8e115368 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
2 locks held by kworker/1:13/10401:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
#1: ffffc900031cfdb0 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
4 locks held by syz-executor.0/10984:
5 locks held by syz-executor.0/10986:
#0: ffff88801a3fe460 (sb_writers#18){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1322 [inline]
#0: ffff88801a3fe460 (sb_writers#18){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1308 [inline]
#0: ffff88801a3fe460 (sb_writers#18){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1308
#1: ffff888081ba3f38 (&sb->s_type->i_mutex_key#24){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#1: ffff888081ba3f38 (&sb->s_type->i_mutex_key#24){+.+.}-{3:3}, at: f2fs_file_write_iter+0x291/0x24d0 fs/f2fs/file.c:4700
#2: ffff888081ba4518 (&fi->i_gc_rwsem[WRITE]){++++}-{3:3}, at: f2fs_down_read fs/f2fs/f2fs.h:2087 [inline]
#2: ffff888081ba4518 (&fi->i_gc_rwsem[WRITE]){++++}-{3:3}, at: f2fs_dio_write_iter fs/f2fs/file.c:4599 [inline]
#2: ffff888081ba4518 (&fi->i_gc_rwsem[WRITE]){++++}-{3:3}, at: f2fs_file_write_iter+0x866/0x24d0 fs/f2fs/file.c:4721
#3: ffff888081ba4480 (&fi->i_gc_rwsem[READ]){++++}-{3:3}, at: f2fs_down_read fs/f2fs/f2fs.h:2087 [inline]
#3: ffff888081ba4480 (&fi->i_gc_rwsem[READ]){++++}-{3:3}, at: f2fs_dio_write_iter fs/f2fs/file.c:4601 [inline]
#3: ffff888081ba4480 (&fi->i_gc_rwsem[READ]){++++}-{3:3}, at: f2fs_file_write_iter+0x207b/0x24d0 fs/f2fs/file.c:4721
#4: ffff88802bef0128 (&sbi->writepages){+.+.}-{3:3}, at: __f2fs_write_data_pages fs/f2fs/data.c:3295 [inline]
#4: ffff88802bef0128 (&sbi->writepages){+.+.}-{3:3}, at: f2fs_write_data_pages+0xc2e/0x10a0 fs/f2fs/data.c:3327
2 locks held by syz-executor.2/14371:
#0: ffffffff8e115368 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e115368 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6414
#1: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#1: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x64a/0x770 kernel/rcu/tree_exp.h:992
1 lock held by syz-executor.2/14377:
#0: ffffffff8e115368 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e115368 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6414
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc5-syzkaller-00016-ga4d7d7011219 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 10038 Comm: kworker/u4:16 Not tainted 6.4.0-rc5-syzkaller-00016-ga4d7d7011219 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: phy5 ieee80211_iface_work
RIP: 0010:lockdep_recursion_inc kernel/locking/lockdep.c:462 [inline]
RIP: 0010:lock_release+0x151/0x670 kernel/locking/lockdep.c:5724
Code: 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c0 04 00 00 41 8b be c4 0a 00 00 85 ff 0f 85 9e 02 00 00 9c 8f 04 24 fa <48> c7 c7 c0 6d 4c 8a e8 23 07 aa 08 48 89 da 83 e3 07 48 b8 00 00
RSP: 0018:ffffc900151ff638 EFLAGS: 00000046
RAX: 0000000000000007 RBX: ffffffff8e7ab430 RCX: ffffffff8165e8a5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 1ffff92002a3fec9 R08: 0000000000000001 R09: ffffffff8e7a7f17
R10: fffffbfff1cf4fe2 R11: 0000000000094001 R12: ffff8880b9940720
R13: 0000000000000246 R14: ffff88801ebc3b80 R15: ffff888081fed000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe430332000 CR3: 000000000c571000 CR4: 0000000000350ee0
Call Trace:
<NMI>
</NMI>
<TASK>
local_lock_release include/linux/local_lock_internal.h:38 [inline]
___slab_alloc+0x9f6/0x1400 mm/slub.c:3144
__slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3291
__slab_alloc_node mm/slub.c:3344 [inline]
slab_alloc_node mm/slub.c:3441 [inline]
__kmem_cache_alloc_node+0x136/0x320 mm/slub.c:3490
__do_kmalloc_node mm/slab_common.c:965 [inline]
__kmalloc+0x4e/0x190 mm/slab_common.c:979
kmalloc include/linux/slab.h:563 [inline]
kzalloc include/linux/slab.h:680 [inline]
ieee802_11_parse_elems_full+0x106/0x1340 net/mac80211/util.c:1609
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2305 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2312 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline]
ieee80211_ibss_rx_queued_mgmt+0xcbc/0x3030 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1594 [inline]
ieee80211_iface_work+0xa4d/0xd70 net/mac80211/iface.c:1648
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>