INFO: task syz-executor.4:15973 blocked for more than 143 seconds.
      Not tainted 6.9.0-rc4-next-20240416-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:24312 pid:15973 tgid:15971 ppid:12323  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 xlog_grant_head_wait+0x397/0x970 fs/xfs/xfs_log.c:307
 xlog_grant_head_check+0x299/0x480
 xfs_log_reserve+0x3d4/0xb80 fs/xfs/xfs_log.c:486
 xfs_trans_reserve+0x239/0x6b0 fs/xfs/xfs_trans.c:195
 xfs_trans_alloc+0x40e/0x830 fs/xfs/xfs_trans.c:284
 xfs_trans_alloc_inode+0x1ac/0x5d0 fs/xfs/xfs_trans.c:1203
 xfs_attr_set+0xa56/0x1680 fs/xfs/libxfs/xfs_attr.c:983
 xfs_attr_change fs/xfs/xfs_xattr.c:117 [inline]
 xfs_xattr_set+0x22b/0x3a0 fs/xfs/xfs_xattr.c:165
 __vfs_setxattr+0x468/0x4a0 fs/xattr.c:200
 __vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234
 vfs_setxattr+0x221/0x430 fs/xattr.c:321
 do_setxattr fs/xattr.c:629 [inline]
 setxattr+0x25d/0x2f0 fs/xattr.c:652
 path_setxattr+0x1c0/0x2a0 fs/xattr.c:671
 __do_sys_lsetxattr fs/xattr.c:694 [inline]
 __se_sys_lsetxattr fs/xattr.c:690 [inline]
 __x64_sys_lsetxattr+0xb8/0xd0 fs/xattr.c:690
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6fbdc7dea9
RSP: 002b:00007f6fbea6f0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007f6fbddabf80 RCX: 00007f6fbdc7dea9
RDX: 0000000020000100 RSI: 0000000020000040 RDI: 0000000020000000
RBP: 00007f6fbdcca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fffe R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000004d R14: 00007f6fbddabf80 R15: 00007ffc647cb068
 </TASK>
INFO: task syz-executor.4:16047 blocked for more than 144 seconds.
      Not tainted 6.9.0-rc4-next-20240416-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:25976 pid:16047 tgid:15971 ppid:12323  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 xlog_grant_head_wait+0x397/0x970 fs/xfs/xfs_log.c:307
 xlog_grant_head_check+0x299/0x480
 xfs_log_reserve+0x3d4/0xb80 fs/xfs/xfs_log.c:486
 xfs_trans_reserve+0x239/0x6b0 fs/xfs/xfs_trans.c:195
 xfs_trans_alloc+0x40e/0x830 fs/xfs/xfs_trans.c:284
 xfs_trans_alloc_icreate+0xc9/0x2b0 fs/xfs/xfs_trans.c:1320
 xfs_create+0x7e5/0x1320 fs/xfs/xfs_inode.c:1062
 xfs_generic_create+0x495/0xd70 fs/xfs/xfs_iops.c:199
 lookup_open fs/namei.c:3497 [inline]
 open_last_lookups fs/namei.c:3566 [inline]
 path_openat+0x1425/0x3280 fs/namei.c:3796
 do_filp_open+0x235/0x490 fs/namei.c:3826
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
 do_sys_open fs/open.c:1420 [inline]
 __do_sys_openat fs/open.c:1436 [inline]
 __se_sys_openat fs/open.c:1431 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1431
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6fbdc7dea9
RSP: 002b:00007f6fbea2d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6fbddac120 RCX: 00007f6fbdc7dea9
RDX: 000000000000275a RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007f6fbdcca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f6fbddac120 R15: 00007ffc647cb068
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/u8:0/11:
1 lock held by khungtaskd/30:
 #0: ffffffff8e333b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #0: ffffffff8e333b60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
 #0: ffffffff8e333b60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by getty/4842:
 #0: ffff88802ede10a0 (&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:2201
3 locks held by syz-executor.4/15973:
 #0: ffff888067c30420 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
 #1: ffff88807a5c6fb8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
 #1: ffff88807a5c6fb8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: vfs_setxattr+0x1e1/0x430 fs/xattr.c:320
 #2: ffff888067c30610 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x1ac/0x5d0 fs/xfs/xfs_trans.c:1203
3 locks held by syz-executor.4/16047:
 #0: ffff888067c30420 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
 #1: ffff88805c5767f8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
 #1: ffff88805c5767f8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3563 [inline]
 #1: ffff88805c5767f8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x7d3/0x3280 fs/namei.c:3796
 #2: ffff888067c30610 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc9/0x2b0 fs/xfs/xfs_trans.c:1320
3 locks held by syz-executor.2/17166:
 #0: ffff88806c360420 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
 #1: ffff88807a5c7778 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
 #1: ffff88807a5c7778 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: vfs_setxattr+0x1e1/0x430 fs/xattr.c:320
 #2: ffff88806c360610 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x1ac/0x5d0 fs/xfs/xfs_trans.c:1203
3 locks held by syz-executor.2/17207:
 #0: ffff88806c360420 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
 #1: ffff88807a5c67f8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
 #1: ffff88807a5c67f8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3563 [inline]
 #1: ffff88807a5c67f8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x7d3/0x3280 fs/namei.c:3796
 #2: ffff88806c360610 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc9/0x2b0 fs/xfs/xfs_trans.c:1320
3 locks held by syz-executor.0/18288:
 #0: ffff88804aa78420 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
 #1: ffff88805c574138 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
 #1: ffff88805c574138 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: vfs_setxattr+0x1e1/0x430 fs/xattr.c:320
 #2: ffff88804aa78610 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x1ac/0x5d0 fs/xfs/xfs_trans.c:1203
3 locks held by syz-executor.0/18349:
 #0: ffff88804aa78420 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
 #1: ffff88805c5750b8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
 #1: ffff88805c5750b8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3563 [inline]
 #1: ffff88805c5750b8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x7d3/0x3280 fs/namei.c:3796
 #2: ffff88804aa78610 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc9/0x2b0 fs/xfs/xfs_trans.c:1320
2 locks held by syz-executor.3/18329:
 #0: ffff88807bc2a2b8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid+0x32/0x100 net/netfilter/nf_tables_api.c:10710
 #1: ffffffff8e338f38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
 #1: ffffffff8e338f38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:939
2 locks held by syz-executor.4/18385:

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

NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.9.0-rc4-next-20240416-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+0x241/0x360 lib/dump_stack.c:114
 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:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
 watchdog+0xfde/0x1020 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
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5153 Comm: kworker/1:4 Not tainted 6.9.0-rc4-next-20240416-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:unwind_next_frame+0x146/0x2a00 arch/x86/kernel/unwind_orc.c:482
Code: 55 00 83 e3 03 74 2a e8 08 66 55 00 4c 8b 7c 24 08 49 bd 00 00 00 00 00 fc ff df e9 2d 1a 00 00 e8 ef 65 55 00 e9 5e 1a 00 00 <e8> e5 65 55 00 eb 05 e8 de 65 55 00 49 89 ec 48 8d 55 35 48 89 d0
RSP: 0018:ffffc90000a186c8 EFLAGS: 00000046
RAX: 1ffff920001430fe RBX: 0000000000000000 RCX: dffffc0000000000
RDX: ffff88802ad15a00 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000a187a0 R08: ffffffff8140e0c1 R09: ffffc90000a18890
R10: 0000000000000003 R11: ffffffff81822da0 R12: ffff88802ad15a00
R13: ffffc90000a187f0 R14: 0000000000000001 R15: ffffffff81632d80
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc7757ff000 CR3: 00000000662c8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47
 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541
 insert_work+0x3e/0x330 kernel/workqueue.c:2194
 __queue_work+0xb00/0xef0 kernel/workqueue.c:2350
 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
 expire_timers kernel/time/timer.c:1838 [inline]
 __run_timers kernel/time/timer.c:2417 [inline]
 __run_timer_base+0x695/0x8e0 kernel/time/timer.c:2428
 run_timer_base kernel/time/timer.c:2437 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
 __do_softirq+0x2c6/0x980 kernel/softirq.c:554
 do_softirq+0x11b/0x1e0 kernel/softirq.c:455
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
 nsim_dev_trap_report_work+0x75d/0xaa0 drivers/net/netdevsim/dev.c:850
 process_one_work kernel/workqueue.c:3218 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3299
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3380
 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
 </TASK>