INFO: task syz.1.9135:11852 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.9135 state:D
stack:26656 pid:11852 tgid:11851 ppid:7281 task_flags:0x400140 flags:0x00080002
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1821/0x5740 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7283
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x7f7/0x1550 kernel/locking/mutex.c:820
ip_set_nfnl_put+0x37/0x240 net/netfilter/ipset/ip_set_core.c:933
set_target_v1_destroy+0x8b/0x140 net/netfilter/xt_set.c:350
cleanup_entry+0x298/0x360 net/ipv6/netfilter/ip6_tables.c:669
translate_table+0x1ecd/0x20b0 net/ipv6/netfilter/ip6_tables.c:744
do_replace net/ipv6/netfilter/ip6_tables.c:1154 [inline]
do_ip6t_set_ctl+0x9fe/0xe10 net/ipv6/netfilter/ip6_tables.c:1644
nf_setsockopt+0x26f/0x290 net/netfilter/nf_sockopt.c:101
do_sock_setsockopt+0x17c/0x1b0 net/socket.c:2381
__sys_setsockopt net/socket.c:2406 [inline]
__do_sys_setsockopt net/socket.c:2412 [inline]
__se_sys_setsockopt net/socket.c:2409 [inline]
__x64_sys_setsockopt+0x13d/0x1b0 net/socket.c:2409
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd6ddf9ce59
RSP: 002b:00007fd6dee25028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fd6de215fa0 RCX: 00007fd6ddf9ce59
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000008
RBP: 00007fd6de032d6f R08: 0000000000000328 R09: 0000000000000000
R10: 0000200000000440 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd6de216038 R14: 00007fd6de215fa0 R15: 00007ffd0c1f7778
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e95cca0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
#0: ffffffff8e95cca0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
#0: ffffffff8e95cca0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775
2 locks held by getty/5391:
#0: ffff888036b870a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13a0 drivers/tty/n_tty.c:2211
3 locks held by kworker/0:4/5632:
#0: ffff88813fe47140 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff88813fe47140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3397
#1: ffffc90003fcfc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3290 [inline]
#1: ffffc90003fcfc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3397
#2: ffff88807ce1f250 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x202/0x3d0 drivers/net/netdevsim/fib.c:1490
3 locks held by kworker/0:18/6593:
#0: ffff88813fe47140 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff88813fe47140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3397
#1: ffffc90005727c40 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3290 [inline]
#1: ffffc90005727c40 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3397
#2: ffffffff900e40a0 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_global_led_trigger_worker+0x27/0xd0 net/rfkill/core.c:185
3 locks held by kworker/u8:16/8440:
#0: ffff8880322f7940 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff8880322f7940 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3397
#1: ffffc900073afc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3290 [inline]
#1: ffffc900073afc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3397
#2: ffffffff8fdd2400 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#2: ffffffff8fdd2400 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11e/0x14c0 net/ipv6/addrconf.c:4213
1 lock held by syz.0.7145/1180:
1 lock held by syz.1.9135/11852:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: ip_set_nfnl_put+0x37/0x240 net/netfilter/ipset/ip_set_core.c:933
1 lock held by syz.0.9174/11999:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.6.9219/12180:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_batch net/netfilter/nfnetlink.c:392 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv+0x634/0x27b0 net/netfilter/nfnetlink.c:665
1 lock held by syz.5.9224/12197:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.3.9256/12380:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: ip_set_nfnl_get_byindex+0x67/0x230 net/netfilter/ipset/ip_set_core.c:909
1 lock held by syz.9.9261/12532:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.7.9262/12636:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.7.9262/12642:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.7.9262/12647:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.2.9269/12817:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.4.9298/13140:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.8.9302/13206:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.8.9302/13207:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.8.9302/13210:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.1.9313/13291:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.6.9367/13588:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.3.9407/13821:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.3.9407/13822:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.5.9409/13831:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.9.9426/13909:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz.9.9426/13910:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293
1 lock held by syz-executor/13952:
#0: ffffffff8fdd2400 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#0: ffffffff8fdd2400 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#0: ffffffff8fdd2400 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0x1bb0 net/core/rtnetlink.c:4121
2 locks held by syz-executor/13959:
#0: ffffffff8f228280 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x350 drivers/char/misc.c:125
#1: ffffffff900e40a0 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_fop_open+0x12a/0x580 net/rfkill/core.c:1192
3 locks held by syz-executor/13963:
#0: ffffffff8fdd2400 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#0: ffffffff8fdd2400 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#0: ffffffff8fdd2400 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0x1bb0 net/core/rtnetlink.c:4121
#1: ffff88816b5f9590 (&wg->device_update_lock){+.+.}-{4:4}, at: wg_open+0x227/0x420 drivers/net/wireguard/device.c:50
#2: ffffffff8e962fa8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:311 [inline]
#2: ffffffff8e962fa8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770 kernel/rcu/tree_exp.h:961
1 lock held by syz.7.9436/14013:
#0: ffffffff9a9691e0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: ip_set_nfnl_get_byindex+0x67/0x230 net/netfilter/ipset/ip_set_core.c:909
6 locks held by syz.0.9449/14080:
#0: ffffffff900e40a0 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_fop_write+0x19a/0x5a0 net/rfkill/core.c:1306
#1: ffff88803f7f0ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close+0x28/0xc0 net/bluetooth/hci_core.c:500
#2: ffff88803f7f00b8 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x640/0x10e0 net/bluetooth/hci_sync.c:5359
#3: ffffffff8ff57b00 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2151 [inline]
#3: ffffffff8ff57b00 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x260 net/bluetooth/hci_conn.c:2734
#4: ffff88808cf082f8 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x92/0x570 net/bluetooth/l2cap_core.c:1777
#5: ffffffff8e962fa8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:343 [inline]
#5: ffffffff8e962fa8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770 kernel/rcu/tree_exp.h:961
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
<TASK>
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
__sys_info lib/sys_info.c:157 [inline]
sys_info+0x135/0x170 lib/sys_info.c:165
check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
watchdog+0xfd3/0x1030 kernel/hung_task.c:561
kthread+0x389/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 8443 Comm: kworker/u8:17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:inat_get_opcode_attribute+0x31/0x50 arch/x86/lib/inat.c:15
Code: e8 04 29 1c f6 89 d8 48 8d 1c 85 40 4e 0c 8d 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 09 8b 03 <5b> c3 cc cc cc cc cc 89 d9 80 e1 07 80 c1 03 38 c1 7c eb 48 89 df
RSP: 0018:ffffc900073bf4d0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffffff8d0c4fd8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000066 RDI: 0000000000000066
RBP: ffffffff822569b5 R08: ffffc900073bf8af R09: 0000000000000000
R10: ffffc900073bf840 R11: fffff52000e77f16 R12: dffffc0000000000
R13: ffffc900073bf8a8 R14: 0000000000000066 R15: ffffffff822569c2
FS: 0000000000000000(0000) GS:ffff888125276000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd4ba6efe9c CR3: 0000000048dd2000 CR4: 00000000003526f0
Call Trace:
<TASK>
insn_get_prefixes+0x43c/0x1ca0 arch/x86/lib/insn.c:139
insn_get_opcode+0x6e/0x11b0 arch/x86/lib/insn.c:285
insn_get_modrm+0x64/0x7d0 arch/x86/lib/insn.c:391
insn_get_sib arch/x86/lib/insn.c:466 [inline]
insn_get_displacement+0x155/0x9f0 arch/x86/lib/insn.c:507
insn_get_immediate+0x64/0x1280 arch/x86/lib/insn.c:673
insn_get_length arch/x86/lib/insn.c:745 [inline]
insn_decode+0x30e/0x4f0 arch/x86/lib/insn.c:784
arch_jump_entry_size arch/x86/kernel/jump_label.c:24 [inline]
__jump_label_patch+0x114/0x4a0 arch/x86/kernel/jump_label.c:45
arch_jump_label_transform_queue+0x69/0x110 arch/x86/kernel/jump_label.c:137
__jump_label_update+0x185/0x380 kernel/jump_label.c:513
static_key_enable_cpuslocked+0x128/0x240 kernel/jump_label.c:210
static_key_enable+0x1a/0x20 kernel/jump_label.c:223
toggle_allocation_gate+0xab/0x290 mm/kfence/core.c:906
process_one_work kernel/workqueue.c:3314 [inline]
process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3397
worker_thread+0xa53/0xfc0 kernel/workqueue.c:3478
kthread+0x389/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>