INFO: task syz-executor.0:5576 blocked for more than 143 seconds.
Not tainted 6.11.0-rc7-syzkaller-g196145c606d0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26480 pid:5576 tgid:5576 ppid:5529 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0xe37/0x5490 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6621
schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2557
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3de/0x5f0 kernel/sched/completion.c:116
__flush_work+0x776/0xc30 kernel/workqueue.c:4216
__cancel_work_sync+0x10c/0x130 kernel/workqueue.c:4336
tls_sk_proto_close+0x4ba/0xad0 net/tls/tls_main.c:376
inet_release+0x13c/0x280 net/ipv4/af_inet.c:437
inet6_release+0x4f/0x70 net/ipv6/af_inet6.c:489
__sock_release+0xb0/0x270 net/socket.c:659
sock_close+0x1c/0x30 net/socket.c:1421
__fput+0x408/0xbb0 fs/file_table.c:422
__fput_sync+0x47/0x50 fs/file_table.c:507
__do_sys_close fs/open.c:1566 [inline]
__se_sys_close fs/open.c:1551 [inline]
__x64_sys_close+0x86/0x100 fs/open.c:1551
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x45420a
RSP: 002b:00007fffb2457aa0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 000000000001e0b7 RCX: 000000000045420a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000005 R08: 0000001b2d420118 R09: 00007f39d0b9e080
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 000000000001e3d7 R14: 000000000054d900 R15: 000000000054cf00
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8ddb9fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
#0: ffffffff8ddb9fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
#0: ffffffff8ddb9fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6626
3 locks held by kworker/0:2/940:
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc90003f47d80 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2: ffff8880346c78f0 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x134/0x230 net/tls/tls_sw.c:2561
6 locks held by kworker/u8:7/1071:
2 locks held by getty/4977:
#0: ffff888034df10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2211
1 lock held by syz-executor.0/5576:
#0: ffff88807aa20e08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline]
#0: ffff88807aa20e08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x270 net/socket.c:658
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc7-syzkaller-g196145c606d0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119
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:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf0c/0x1240 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 1071 Comm: kworker/u8:7 Not tainted 6.11.0-rc7-syzkaller-g196145c606d0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:memcmp+0x8d/0x1d0 lib/string.c:676
Code: 42 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 2f 01 00 00 48 89 ea 48 89 e9 0f b6 03 48 c1 ea 03 83 e1 07 42 0f b6 14 2a 38 ca 7f 08 <84> d2 0f 85 f9 00 00 00 0f b6 55 00 29 d0 74 a8 48 83 c4 08 5b 5d
RSP: 0018:ffffc900043d79c0 EFLAGS: 00000293
RAX: 000000000000001f RBX: ffffffff8b466eeb RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffff8b466eea RDI: ffffffff8b466eea
RBP: ffffffff8b466eeb R08: 0000000000000007 R09: 0000000000000005
R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff8b466eef
R13: dffffc0000000000 R14: ffffffff8b466eea R15: 0000000000000005
FS: 0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556056267600 CR3: 000000000db7c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
memcmp include/linux/fortify-string.h:715 [inline]
text_poke_loc_init+0x27d/0x5e0 arch/x86/kernel/alternative.c:2450
arch_jump_label_transform_queue+0xaf/0x120 arch/x86/kernel/jump_label.c:138
__jump_label_update+0x125/0x420 kernel/jump_label.c:493
jump_label_update+0x1d7/0x400 kernel/jump_label.c:900
static_key_disable_cpuslocked+0x158/0x1c0 kernel/jump_label.c:240
static_key_disable+0x1a/0x20 kernel/jump_label.c:248
toggle_allocation_gate mm/kfence/core.c:838 [inline]
toggle_allocation_gate+0x143/0x250 mm/kfence/core.c:825
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
process_scheduled_works kernel/workqueue.c:3312 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3393
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244