INFO: task syz-executor.0:13715 blocked for more than 143 seconds.
      Not tainted 6.1.86-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:23176 pid:13715 ppid:12904  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x142d/0x4550 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 xlog_grant_head_wait+0x3b6/0xa00 fs/xfs/xfs_log.c:307
 xlog_grant_head_check+0x295/0x480
 xfs_log_reserve+0x3e1/0xc30 fs/xfs/xfs_log.c:486
 xfs_trans_reserve+0x239/0x6a0 fs/xfs/xfs_trans.c:194
 xfs_trans_alloc+0x41e/0x890 fs/xfs/xfs_trans.c:283
 xfs_trans_alloc_inode+0x129/0x450 fs/xfs/xfs_trans.c:1191
 xfs_attr_set+0xa4e/0x1660 fs/xfs/libxfs/xfs_attr.c:1024
 xfs_attr_change fs/xfs/xfs_xattr.c:106 [inline]
 xfs_xattr_set+0x227/0x3a0 fs/xfs/xfs_xattr.c:151
 __vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x21d/0x420 fs/xattr.c:309
 do_setxattr fs/xattr.c:594 [inline]
 setxattr+0x250/0x2b0 fs/xattr.c:617
 path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
 __do_sys_lsetxattr fs/xattr.c:659 [inline]
 __se_sys_lsetxattr fs/xattr.c:655 [inline]
 __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:655
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5e47e7dea9
RSP: 002b:00007f5e48b5e0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007f5e47fabf80 RCX: 00007f5e47e7dea9
RDX: 0000000020000100 RSI: 0000000020000040 RDI: 0000000020000000
RBP: 00007f5e47eca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fffe R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5e47fabf80 R15: 00007ffead6dc238
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffffffff8d12ae10 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff8d12b610 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by khungtaskd/28:
 #0: ffffffff8d12ac40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 #0: ffffffff8d12ac40 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
 #0: ffffffff8d12ac40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494
3 locks held by kworker/1:2/2904:
 #0: ffff888143ae8938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
 #1: ffffc9000bfafd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
 #2: ffff8881443bf190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #2: ffff8881443bf190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5730 drivers/usb/core/hub.c:5789
2 locks held by getty/3303:
 #0: ffff88814b2c7098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
 #1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2188
2 locks held by kworker/0:7/3606:
 #0: ffff888012472138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
 #1: ffffc9000441fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
3 locks held by kworker/0:8/3607:
 #0: ffff888012470938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
 #1: ffffc9000442fd20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
 #2: ffffffff8e299e28 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xa/0x50 net/core/link_watch.c:263
3 locks held by kworker/u4:6/3658:
5 locks held by kworker/0:17/5828:
 #0: ffff888143ae8938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
 #1: ffffc90004bf7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
 #2: ffff8881447d7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #2: ffff8881447d7190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5730 drivers/usb/core/hub.c:5789
 #3: ffff88805b16e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff88805b16e190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:990
 #4: ffff88805b16b118 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #4: ffff88805b16b118 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:990
3 locks held by syz-executor.0/13715:
 #0: ffff8881437be460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888053316fb8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #1: ffff888053316fb8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: vfs_setxattr+0x1dd/0x420 fs/xattr.c:308
 #2: ffff8881437be650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x129/0x450 fs/xfs/xfs_trans.c:1191
3 locks held by syz-executor.2/13858:
 #0: ffff88805af7a460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff8880533112b8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #1: ffff8880533112b8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: vfs_setxattr+0x1dd/0x420 fs/xattr.c:308
 #2: ffff88805af7a650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x129/0x450 fs/xfs/xfs_trans.c:1191
8 locks held by syz-executor.4/15988:
 #0: ffff88807e4fc460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x269/0xba0 fs/read_write.c:580
 #1: ffff888061196c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1e7/0x4f0 fs/kernfs/file.c:321
 #2: ffff888019f7e748 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20b/0x4f0 fs/kernfs/file.c:322
 #3: ffffffff8dc0d288 (nsim_bus_dev_list_lock){+.+.}-{3:3}
, at: del_device_store+0xf8/0x480 drivers/net/netdevsim/bus.c:209
 #4: ffff8880561660e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #4: ffff8880561660e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1080 [inline]
 #4: ffff8880561660e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xb6/0x880 drivers/base/dd.c:1283
 #5: ffff8880561652f8 (&devlink->lock_key#31){+.+.}-{3:3}, at: nsim_drv_remove+0x54/0x160 drivers/net/netdevsim/dev.c:1674
 #6: ffffffff8e299e28 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x3a/0x140 drivers/net/netdevsim/netdev.c:381
 #7: ffffffff8d130238 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
 #7: ffffffff8d130238 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4f0/0x930 kernel/rcu/tree_exp.h:962
1 lock held by syz-executor.1/16121:
 #0: ffffffff8e299e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
 #0: ffffffff8e299e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6118
1 lock held by syz-executor.3/16134:
 #0: ffffffff8e299e28 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x4f5/0xf70 net/core/dev_ioctl.c:587
1 lock held by syz-executor.0/16136:
 #0: ffffffff8e299e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
 #0: ffffffff8e299e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6118

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

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.86-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0xf88/0xfd0 kernel/hung_task.c:377
 kthread+0x28d/0x320 kernel/kthread.c:376
 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: 15254 Comm: syz-executor.1 Not tainted 6.1.86-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__raw_callee_save___pv_queued_spin_unlock+0x1/0x12
Code: 41 5e e9 d2 f9 d6 f6 cc cc 51 52 56 57 41 50 41 51 41 52 41 53 e8 cf 0a 00 00 41 5b 41 5a 41 59 41 58 5f 5e 5a 59 c3 66 90 52 <b8> 01 00 00 00 31 d2 f0 0f b0 17 3c 01 75 02 5a c3 56 0f b6 f0 e8
RSP: 0018:ffffc900039a7700 EFLAGS: 00000282
RAX: 1ffffffff19f37c4 RBX: 1ffff1100251929a RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880128c94c8
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed100251929a
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100251929b
R13: ffff8880128c94d8 R14: ffff8880128c94d0 R15: ffff8880128c94c8
FS:  000055555684f480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556860978 CR3: 000000007df1e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:596 [inline]
 queued_spin_unlock arch/x86/include/asm/qspinlock.h:57 [inline]
 do_raw_spin_unlock+0x137/0x8a0 kernel/locking/spinlock_debug.c:141
 __raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 __find_get_block_slow fs/buffer.c:238 [inline]
 __find_get_block+0x74d/0x1120 fs/buffer.c:1307
 __getblk_gfp+0x2d/0xa20 fs/buffer.c:1329
 sb_getblk include/linux/buffer_head.h:356 [inline]
 ext4_getblk+0x2a7/0x7c0 fs/ext4/inode.c:876
 ext4_bread+0x2a/0x170 fs/ext4/inode.c:922
 ext4_append+0x31f/0x5c0 fs/ext4/namei.c:83
 ext4_init_new_dir+0x33a/0xa20 fs/ext4/namei.c:2981
 ext4_mkdir+0x4f2/0xce0 fs/ext4/namei.c:3027
 vfs_mkdir+0x3b6/0x590 fs/namei.c:4108
 do_mkdirat+0x225/0x360 fs/namei.c:4133
 __do_sys_mkdirat fs/namei.c:4148 [inline]
 __se_sys_mkdirat fs/namei.c:4146 [inline]
 __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4146
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5b3327c9a7
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeebc75b78 EFLAGS: 00000206 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ffeebc75c00 RCX: 00007f5b3327c9a7
RDX: 00000000000001ff RSI: 00007ffeebc75c00 RDI: 00000000ffffff9c
RBP: 00007ffeebc75bdc R08: 0000000000000004 R09: 00007ffeebc75916
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000032
R13: 0000000000095e5a R14: 0000000000095afc R15: 0000000000000017
 </TASK>