INFO: task syz-executor253:3652 blocked for more than 143 seconds.
Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor253 state:D stack:24832 pid: 3652 ppid: 3633 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x939/0xea0 kernel/sched/core.c:6388
schedule+0xeb/0x1b0 kernel/sched/core.c:6460
schedule_timeout+0xac/0x300 kernel/time/timer.c:1860
do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
__flush_work kernel/workqueue.c:3075 [inline]
__cancel_work_timer+0x585/0x740 kernel/workqueue.c:3162
tls_sk_proto_close+0x120/0x970 net/tls/tls_main.c:307
inet_release+0x184/0x1e0 net/ipv4/af_inet.c:428
__sock_release net/socket.c:650 [inline]
sock_close+0xd7/0x260 net/socket.c:1318
__fput+0x3b9/0x820 fs/file_table.c:317
task_work_run+0x146/0x1c0 kernel/task_work.c:164
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x134/0x160 kernel/entry/common.c:169
exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f6bda683753
RSP: 002b:00007fff98f72d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f6bda683753
RDX: fffffffffffffe60 RSI: 00000000200005c0 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffffffffffe60
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff98f72db0
R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8cb1ae60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3280:
#0: ffff88801e241098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b832e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ad/0x1c90 drivers/tty/n_tty.c:2075
1 lock held by kworker/u4:2/3640:
#0: ffff8880b9a39c18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:554
3 locks held by kworker/0:4/3643:
#0: ffff888011464d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc9000309fd00 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
#2: ffff88801daa70d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x111/0x150 net/tls/tls_sw.c:2300
1 lock held by syz-executor253/3652:
#0: ffff888071a0be10 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:748 [inline]
#0: ffff888071a0be10 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline]
#0: ffff888071a0be10 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: sock_close+0x93/0x260 net/socket.c:1318
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x473/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x168/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xcf9/0xd40 kernel/hung_task.c:369
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3667 Comm: kworker/u4:3 Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__trace_hardirqs_on_caller kernel/locking/lockdep.c:4234 [inline]
RIP: 0010:lockdep_hardirqs_on_prepare+0x3b0/0x7b0 kernel/locking/lockdep.c:4294
Code: c0 75 53 8b 43 20 a9 00 00 04 00 74 2b 25 00 00 03 00 83 f8 01 ba 07 00 00 00 83 da 00 48 8b 7c 24 10 48 89 de e8 90 9e 00 00 <48> ba 00 00 00 00 00 fc ff df 85 c0 74 7e 49 ff c5 41 0f b6 04 17
RSP: 0018:ffffc900031ef6e0 EFLAGS: 00000082
RAX: 0000000000000001 RBX: ffff88807838e228 RCX: ffffffff81674358
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fb0efd0
RBP: ffffc900031ef7a0 R08: dffffc0000000000 R09: fffffbfff1f61dfb
R10: fffffbfff1f61dfb R11: 1ffffffff1f61dfa R12: ffff88807838e248
R13: 0000000000000005 R14: ffff88807838e158 R15: 1ffff1100f071c2b
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffec7ad0438 CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_hardirqs_on+0x6f/0x80 kernel/trace/trace_preemptirq.c:49
__text_poke+0x799/0x9a0 arch/x86/kernel/alternative.c:1096
text_poke arch/x86/kernel/alternative.c:1121 [inline]
text_poke_bp_batch+0x6a5/0x960 arch/x86/kernel/alternative.c:1436
text_poke_flush arch/x86/kernel/alternative.c:1542 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1549
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x129/0x250 kernel/jump_label.c:177
static_key_enable+0x16/0x20 kernel/jump_label.c:190
toggle_allocation_gate+0xbf/0x470 mm/kfence/core.c:764
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
----------------
Code disassembly (best guess):
0: c0 75 53 8b shlb $0x8b,0x53(%rbp)
4: 43 20 a9 00 00 04 00 rex.XB and %bpl,0x40000(%r9)
b: 74 2b je 0x38
d: 25 00 00 03 00 and $0x30000,%eax
12: 83 f8 01 cmp $0x1,%eax
15: ba 07 00 00 00 mov $0x7,%edx
1a: 83 da 00 sbb $0x0,%edx
1d: 48 8b 7c 24 10 mov 0x10(%rsp),%rdi
22: 48 89 de mov %rbx,%rsi
25: e8 90 9e 00 00 callq 0x9eba
* 2a: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx <-- trapping instruction
31: fc ff df
34: 85 c0 test %eax,%eax
36: 74 7e je 0xb6
38: 49 ff c5 inc %r13
3b: 41 0f b6 04 17 movzbl (%r15,%rdx,1),%eax