INFO: task syz-executor.0:5792 blocked for more than 143 seconds.
Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26256 pid:5792 tgid:5791 ppid:5771 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5c70 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6828
xlog_grant_head_wait+0x143/0xb30 fs/xfs/xfs_log.c:307
xlog_grant_head_check+0x3e5/0x420 fs/xfs/xfs_log.c:369
xfs_log_reserve+0x365/0x8d0 fs/xfs/xfs_log.c:486
xfs_trans_reserve+0x481/0x680 fs/xfs/xfs_trans.c:195
xfs_trans_alloc+0x340/0x930 fs/xfs/xfs_trans.c:284
xfs_trans_alloc_inode+0x19f/0x3a0 fs/xfs/xfs_trans.c:1203
xfs_attr_set+0x593/0x1160 fs/xfs/libxfs/xfs_attr.c:983
xfs_attr_change fs/xfs/xfs_xattr.c:117 [inline]
xfs_xattr_set+0xf5/0x1c0 fs/xfs/xfs_xattr.c:165
__vfs_setxattr+0x173/0x1e0 fs/xattr.c:200
__vfs_setxattr_noperm+0x127/0x5e0 fs/xattr.c:234
__vfs_setxattr_locked+0x182/0x260 fs/xattr.c:295
vfs_setxattr+0x146/0x350 fs/xattr.c:321
do_setxattr+0x146/0x170 fs/xattr.c:629
setxattr+0x15d/0x180 fs/xattr.c:652
path_setxattr+0x179/0x1e0 fs/xattr.c:671
__do_sys_lsetxattr fs/xattr.c:694 [inline]
__se_sys_lsetxattr fs/xattr.c:690 [inline]
__x64_sys_lsetxattr+0xc1/0x160 fs/xattr.c:690
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7ff3e1e7de69
RSP: 002b:00007ff3e2b7e0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007ff3e1fabf80 RCX: 00007ff3e1e7de69
RDX: 0000000020000100 RSI: 0000000020000040 RDI: 0000000020000000
RBP: 00007ff3e1eca47a R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fffe R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff3e1fabf80 R15: 00007ffd3ef4ba78
Showing all locks held in the system:
2 locks held by kworker/u8:1/11:
3 locks held by kworker/1:0/24:
#0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1296/0x1a60 kernel/workqueue.c:3229
#1: ffffc900001e7d80 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x906/0x1a60 kernel/workqueue.c:3230
#2: ffff888030065240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1bb/0x26e0 drivers/net/netdevsim/fib.c:1489
1 lock held by khungtaskd/29:
#0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
2 locks held by kworker/u8:3/50:
#0: ffff888015081148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1296/0x1a60 kernel/workqueue.c:3229
#1: ffffc90000ba7d80 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x906/0x1a60 kernel/workqueue.c:3230
3 locks held by kworker/u8:5/77:
#0: ffff888029af9948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x1296/0x1a60 kernel/workqueue.c:3229
#1: ffffc900020efd80 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x906/0x1a60 kernel/workqueue.c:3230
#2: ffffffff8f2f63c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xcf/0x1500 net/ipv6/addrconf.c:4191
2 locks held by dhcpcd/4726:
#0: ffff888051cb3678 (nlk_cb_mutex-ROUTE){+.+.}-{3:3}, at: __netlink_dump_start+0x154/0x9b0 net/netlink/af_netlink.c:2350
#1: ffffffff8f2f63c8 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0x58c/0xe00 net/netlink/af_netlink.c:2268
2 locks held by getty/4816:
#0: ffff88802a4370a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015e02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
3 locks held by kworker/u9:2/5080:
#0: ffff88805cfb2948 ((wq_completion)hci11){+.+.}-{0:0}, at: process_one_work+0x1296/0x1a60 kernel/workqueue.c:3229
#1: ffffc900037afd80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x906/0x1a60 kernel/workqueue.c:3230
#2: ffff88805445d060 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:309
2 locks held by kworker/0:5/5134:
#0: ffff8880b943e698 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
#1: ffff8880b9428a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:988
3 locks held by syz-executor.0/5792:
#0: ffff88805df1e420 (sb_writers#15){.+.+}-{0:0}, at: path_setxattr+0xc3/0x1e0 fs/xattr.c:669
#1: ffff88805c8a8af8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:793 [inline]
#1: ffff88805c8a8af8 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: vfs_setxattr+0x123/0x350 fs/xattr.c:320
#2: ffff88805df1e610 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x19f/0x3a0 fs/xfs/xfs_trans.c:1203
4 locks held by syz-executor.0/6240:
#0: ffff88802e886420 (sb_writers#5){.+.+}-{0:0}, at: do_rmdir+0x1e4/0x410 fs/namei.c:4252
#1: ffff88805c97c000 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:828 [inline]
#1: ffff88805c97c000 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_rmdir+0x235/0x410 fs/namei.c:4256
#2: ffff8880b943e698 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
#3: ffffffff947e5be8 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_assert_init+0x1a0/0x370 lib/debugobjects.c:897
3 locks held by syz-executor.2/6329:
#0: ffffffff8f2f63c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2f63c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
#1: ffff888087061408 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_open+0x203/0x4e0 drivers/net/wireguard/device.c:50
#2: ffffffff8d7bc4b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#2: ffffffff8d7bc4b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x682/0x7a0 kernel/rcu/tree_exp.h:939
1 lock held by syz-executor.4/6364:
#0: ffffffff8f2f63c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f2f63c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
2 locks held by syz-executor.0/6566:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf86/0x1210 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4501 Comm: klogd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0033:0x7f129317cbd1
Code: 00 48 99 49 f7 f8 b8 01 00 00 00 48 85 d2 75 16 48 89 c8 41 b8 90 01 00 00 48 99 49 f7 f8 31 c0 48 85 d2 0f 94 c0 48 6b c0 1a <48> 8d 15 68 eb 0b 00 48 01 d0 ba 0b 00 00 00 0f b7 0c 50 48 39 f9
RSP: 002b:00007ffeeff95e18 EFLAGS: 00000202
RAX: 000000000000001a RBX: 0000000000000190 RCX: 00000000000007e8
RDX: 0000000000000018 RSI: 00007ffeeff95ee8 RDI: 0000000000000066
RBP: 0000000000000004 R08: 0000000000000064 R09: 00000000000001dd
R10: 00000000000007e8 R11: 0000000000000064 R12: 000000000000016d
R13: 00000000000001ea R14: 00007ffeeff95f68 R15: 0000000000000000
FS: 00007f129304e380 GS: 0000000000000000