INFO: task syz-executor.5:27922 blocked for more than 143 seconds.
Not tainted 6.6.0-syzkaller-10102-gff269e2cd5ad #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26416 pid:27922 tgid:27922 ppid:23154 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xee2/0x59a0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6778
schedule_timeout+0x278/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3407
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3494
tls_sk_proto_close+0x4b1/0xac0 net/tls/tls_main.c:376
inet_release+0x132/0x270 net/ipv4/af_inet.c:433
inet6_release+0x4f/0x70 net/ipv6/af_inet6.c:485
__sock_release+0xae/0x260 net/socket.c:659
sock_close+0x1c/0x20 net/socket.c:1419
__fput+0x270/0xbb0 fs/file_table.c:394
__fput_sync+0x47/0x50 fs/file_table.c:475
__do_sys_close fs/open.c:1590 [inline]
__se_sys_close fs/open.c:1575 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1575
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fbf1a47b9da
RSP: 002b:00007fff9e2ddc30 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbf1a47b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fbf1a59d980 R08: 0000001b33120000 R09: 00000000000014fb
R10: 0000000081b695c5 R11: 0000000000000293 R12: 000000000033fc4d
R13: ffffffffffffffff R14: 00007fbf1a000000 R15: 000000000033f90c
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8cfad3a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#0: ffffffff8cfad3a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff8cfad3a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
2 locks held by getty/4823:
#0: ffff8880265f10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc5/0x1480 drivers/tty/n_tty.c:2206
1 lock held by syz-executor.3/7917:
3 locks held by kworker/0:5/8804:
#0: ffff888013070d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90009957d80 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffff8880806e24f0 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x134/0x230 net/tls/tls_sw.c:2535
2 locks held by kworker/0:9/8806:
#0: ffff888013072938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90009607d80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
2 locks held by kworker/u4:11/15737:
1 lock held by syz-executor.5/27922:
#0: ffff88803cda5010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#0: ffff88803cda5010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x260 net/socket.c:658
3 locks held by kworker/1:1/28252:
#0: ffff888013070d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc9000347fd80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8ea9d128 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:277
2 locks held by syz-executor.4/29889:
#0: ffffffff8ea9d128 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8ea9d128 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6555
#1: ffffffff8cfb8df8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#1: ffffffff8cfb8df8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x69e/0x7e0 kernel/rcu/tree_exp.h:996
1 lock held by syz-executor.4/29892:
#0: ffffffff8ea9d128 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8ea9d128 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6555
3 locks held by syz-executor.3/29917:
4 locks held by syz-executor.1/29920:
3 locks held by syz-executor.2/29922:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-syzkaller-10102-gff269e2cd5ad #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 29917 Comm: syz-executor.3 Not tainted 6.6.0-syzkaller-10102-gff269e2cd5ad #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:check_preemption_disabled+0x28/0xe0 lib/smp_processor_id.c:19
Code: 00 00 41 54 55 53 48 83 ec 08 65 8b 1d 6d 22 86 75 65 8b 05 62 22 86 75 a9 ff ff ff 7f 74 0b 48 83 c4 08 89 d8 5b 5d 41 5c c3 <9c> 58 f6 c4 02 74 ee 65 48 8b 04 25 c0 bc 03 00 f6 40 2f 04 48 89
RSP: 0018:ffffc900049bf600 EFLAGS: 00000046
RAX: 0000000080000000 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8accbfa0 RDI: ffffffff8b2e7060
RBP: ffffffff8cfad3a0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 1ffff11008427bb2 R12: ffff8880538cbb80
R13: 00000000ffffffff R14: 00000000ffffffff R15: 0000000000000000
FS: 00007f79ddcae6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020188000 CR3: 00000000421fe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lockdep_recursion_inc kernel/locking/lockdep.c:462 [inline]
lock_is_held_type+0x68/0x140 kernel/locking/lockdep.c:5823
xa_head include/linux/xarray.h:1200 [inline]
xas_start+0x23d/0x780 lib/xarray.c:190
xas_load+0x1c/0x140 lib/xarray.c:237
xa_get_order+0x103/0x3d0 lib/xarray.c:1766
__filemap_add_folio+0x397/0xf10 mm/filemap.c:872
filemap_add_folio+0xb1/0x1e0 mm/filemap.c:939
__filemap_get_folio+0x4cf/0xbc0 mm/filemap.c:1944
ext4_da_write_begin+0x3c7/0x8c0 fs/ext4/inode.c:2881
generic_perform_write+0x278/0x600 mm/filemap.c:3969
ext4_buffered_write_iter+0x11f/0x3c0 fs/ext4/file.c:299
ext4_file_write_iter+0x7f7/0x1860 fs/ext4/file.c:717
call_write_iter include/linux/fs.h:2020 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x64f/0xdf0 fs/read_write.c:584
ksys_write+0x12f/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f79dce7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f79ddcae0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f79dcf9bf80 RCX: 00007f79dce7cae9
RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 00007f79dcec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f79dcf9bf80 R15: 00007ffc3b1548d8