INFO: task syz-executor.3:21342 blocked for more than 143 seconds.
      Not tainted 6.4.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:23672 pid:21342 ppid:5036   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x187b/0x4900 kernel/sched/core.c:6669
 schedule+0xc3/0x180 kernel/sched/core.c:6745
 xlog_grant_head_wait+0x387/0x910 fs/xfs/xfs_log.c:307
 xlog_grant_head_check+0x299/0x480
 xfs_log_reserve+0x3c4/0xb10 fs/xfs/xfs_log.c:486
 xfs_trans_reserve+0x239/0x6a0 fs/xfs/xfs_trans.c:194
 xfs_trans_alloc+0x420/0x810 fs/xfs/xfs_trans.c:283
 xfs_trans_alloc_icreate+0xc9/0x2b0 fs/xfs/xfs_trans.c:1253
 xfs_create+0x6c9/0x1240 fs/xfs/xfs_inode.c:1002
 xfs_generic_create+0x491/0xd70 fs/xfs/xfs_iops.c:199
 lookup_open fs/namei.c:3492 [inline]
 open_last_lookups fs/namei.c:3560 [inline]
 path_openat+0x13df/0x3170 fs/namei.c:3788
 do_filp_open+0x234/0x490 fs/namei.c:3818
 do_sys_openat2+0x13f/0x500 fs/open.c:1356
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_open fs/open.c:1380 [inline]
 __se_sys_open fs/open.c:1376 [inline]
 __x64_sys_open+0x225/0x270 fs/open.c:1376
 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: 0033:0x7f170648c389
RSP: 002b:00007f1707145168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f17065abf80 RCX: 00007f170648c389
RDX: 0000000000000000 RSI: 000000000014d27e RDI: 0000000020000180
RBP: 00007f17064d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd1170859f R14: 00007f1707145300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
 #0: ffffffff8cf276f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
 #0: ffffffff8cf27ab0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
 #0: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4744:
 #0: ffff88802d382098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900015d02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2176
3 locks held by kworker/u4:12/15562:
3 locks held by syz-executor.3/21342:
 #0: ffff88807727c460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394
 #1: ffff88803ccd2238 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
 #1: ffff88803ccd2238 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3557 [inline]
 #1: ffff88803ccd2238 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x7ba/0x3170 fs/namei.c:3788
 #2: ffff88807727c650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc9/0x2b0 fs/xfs/xfs_trans.c:1253
3 locks held by syz-executor.4/21397:
 #0: ffff88809b990460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394
 #1: ffff88803ccd3978 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
 #1: ffff88803ccd3978 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3557 [inline]
 #1: ffff88803ccd3978 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x7ba/0x3170 fs/namei.c:3788
 #2: ffff88809b990650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc9/0x2b0 fs/xfs/xfs_trans.c:1253
3 locks held by syz-executor.2/21474:
 #0: ffff888099b34460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394
 #1: ffff88803ccd29f8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
 #1: ffff88803ccd29f8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3557 [inline]
 #1: ffff88803ccd29f8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x7ba/0x3170 fs/namei.c:3788
 #2: ffff888099b34650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc9/0x2b0 fs/xfs/xfs_trans.c:1253

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
 <TASK>
 __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:148 [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:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 10 Comm: kworker/u4:0 Not tainted 6.4.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: phy7 ieee80211_iface_work
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x17/0x60 kernel/kcov.c:207
Code: 48 8b 3d 44 65 ca 0c 48 89 de 5b e9 a3 02 57 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 65 48 8b 0d 10 38 78 7e 65 8b 15 11 38 78 7e <f7> c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 0c 16 00 00
RSP: 0018:ffffc900000f7b50 EFLAGS: 00000293
RAX: ffffffff813dc409 RBX: ffff8880f51dcdc0 RCX: ffff888015a61dc0
RDX: 0000000080000000 RSI: 000000000000002e RDI: 0000000000000040
RBP: ffff8880751dcdc0 R08: ffffffff813dc3fa R09: ffffffff88968c99
R10: 0000000000000002 R11: ffff888015a61dc0 R12: ffff888017fd8c80
R13: ffff8880751dcdc0 R14: 00000000751dcdc0 R15: 000000000000002e
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f279bb9600 CR3: 000000000cd30000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 phys_addr_valid arch/x86/mm/physaddr.h:7 [inline]
 __phys_addr+0x99/0x170 arch/x86/mm/physaddr.c:28
 virt_to_folio include/linux/mm.h:1178 [inline]
 virt_to_slab+0x5/0xa0 mm/slab.h:174
 kmem_cache_free+0x6d/0x520 mm/slub.c:3808
 kfree_skb include/linux/skbuff.h:1236 [inline]
 ieee80211_iface_work+0x264/0xd00 net/mac80211/iface.c:1650
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>