INFO: task syz.3.56:6107 blocked for more than 143 seconds.
Not tainted 6.13.0-rc5-syzkaller-00769-g356939999438 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.56 state:D stack:26400 pid:6107 tgid:6106 ppid:5845 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
__lock_sock+0x1cd/0x330 net/core/sock.c:3082
lock_sock_nested+0x9e/0x100 net/core/sock.c:3650
lock_sock include/net/sock.h:1624 [inline]
do_tls_setsockopt net/tls/tls_main.c:819 [inline]
tls_setsockopt+0x262/0x15d0 net/tls/tls_main.c:848
do_sock_setsockopt+0x3af/0x720 net/socket.c:2324
__sys_setsockopt net/socket.c:2349 [inline]
__do_sys_setsockopt net/socket.c:2355 [inline]
__se_sys_setsockopt net/socket.c:2352 [inline]
__x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2352
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f26ee385d29
RSP: 002b:00007f26ef19b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f26ee575fa0 RCX: 00007f26ee385d29
RDX: 0000000000000001 RSI: 000000000000011a RDI: 0000000000000004
RBP: 00007f26ee401b08 R08: 0000000000000038 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f26ee575fa0 R15: 00007ffca13dbb58
Showing all locks held in the system:
2 locks held by kworker/1:0/25:
1 lock held by khungtaskd/30:
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
2 locks held by getty/5584:
#0: ffff888034bf20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fd62f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz.3.56/6107:
#0: ffff88805c1c3858 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1624 [inline]
#0: ffff88805c1c3858 (sk_lock-AF_INET6){+.+.}-{0:0}, at: do_tls_setsockopt net/tls/tls_main.c:819 [inline]
#0: ffff88805c1c3858 (sk_lock-AF_INET6){+.+.}-{0:0}, at: tls_setsockopt+0x262/0x15d0 net/tls/tls_main.c:848
1 lock held by syz.3.56/6108:
6 locks held by kworker/u8:11/6598:
#0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90002ebfd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90002ebfd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffffffff8fca77d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x16a/0xd50 net/core/net_namespace.c:602
#3: ffff88807daf50e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff88807daf50e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff88807daf50e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
#4: ffff888033322250 (&devlink->lock_key#8){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff888033322250 (&devlink->lock_key#8){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff888033322250 (&devlink->lock_key#8){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
#5: ffffffff8fcb3c88 (rtnl_mutex){+.+.}-{4:4}, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:816
3 locks held by kworker/u8:19/7440:
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc9000385fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9000385fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffffffff8fcb3c88 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:281
2 locks held by syz-executor/8149:
#0: ffffffff8fca77d0 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:512
#1: ffffffff8fcb3c88 (rtnl_mutex){+.+.}-{4:4}, at: ip_tunnel_init_net+0x20e/0x720 net/ipv4/ip_tunnel.c:1159
3 locks held by syz.0.618/8162:
2 locks held by syz.2.621/8167:
#0: ffffffff8fca77d0 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:512
#1: ffffffff8fcb3c88 (rtnl_mutex){+.+.}-{4:4}, at: ip_tunnel_init_net+0x20e/0x720 net/ipv4/ip_tunnel.c:1159
1 lock held by syz.4.623/8173:
#0: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#0: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:976
2 locks held by syz.1.624/8177:
#0: ffff88807921f6c8 (nlk_cb_mutex-ROUTE){+.+.}-{4:4}, at: __netlink_dump_start+0x119/0x790 net/netlink/af_netlink.c:2397
#1: ffffffff8fcb3c88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#1: ffffffff8fcb3c88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dumpit+0x99/0x200 net/core/rtnetlink.c:6770
2 locks held by dhcpcd/8184:
#0: ffff888029cb8258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1624 [inline]
#0: ffff888029cb8258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xcb0 net/packet/af_packet.c:3253
#1: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#1: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:976
1 lock held by dhcpcd/8185:
#0: ffff88807c14a258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1624 [inline]
#0: ffff88807c14a258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xcb0 net/packet/af_packet.c:3253
1 lock held by dhcpcd/8186:
#0: ffff88801e6a4258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1624 [inline]
#0: ffff88801e6a4258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xcb0 net/packet/af_packet.c:3253
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller-00769-g356939999438 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/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: 8162 Comm: syz.0.618 Not tainted 6.13.0-rc5-syzkaller-00769-g356939999438 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__lock_release kernel/locking/lockdep.c:5503 [inline]
RIP: 0010:lock_release+0x1c3/0xa30 kernel/locking/lockdep.c:5870
Code: 80 3c 3b 00 74 08 4c 89 f7 e8 b9 04 8b 00 48 8b 9c 24 b0 00 00 00 fa 48 c7 c7 20 a6 0a 8c e8 64 01 51 0a 65 ff 05 cd b2 87 7e <48> 8d 94 24 80 00 00 00 48 c1 ea 03 42 0f b6 04 3a 84 c0 0f 85 6e
RSP: 0018:ffffc900069f6760 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000246 RCX: ffffffff817ad6a0
RDX: 0000000000000000 RSI: ffffffff8c0aa620 RDI: ffffffff8c5fb0e0
RBP: ffffc900069f68a0 R08: ffffffff901a3bb7 R09: 1ffffffff2034776
R10: dffffc0000000000 R11: fffffbfff2034777 R12: 1ffff92000d3ecf8
R13: ffffffff8a109407 R14: ffffc900069f6810 R15: dffffc0000000000
FS: 00007f377a6386c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5fafcf4bd0 CR3: 000000003075a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_release include/linux/rcupdate.h:347 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
cond_resched_rcu+0x96/0x170 include/linux/rcupdate_wait.h:62
hash_net6_list+0x32f/0x10f0 net/netfilter/ipset/ip_set_hash_gen.h:1375
ip_set_dump_do+0xf46/0x1750 net/netfilter/ipset/ip_set_core.c:1660
netlink_dump+0x64d/0xe10 net/netlink/af_netlink.c:2318
__netlink_dump_start+0x5a2/0x790 net/netlink/af_netlink.c:2433
netlink_dump_start include/linux/netlink.h:340 [inline]
ip_set_dump+0x16d/0x1f0 net/netfilter/ipset/ip_set_core.c:1717
nfnetlink_rcv_msg+0xbec/0x1180 net/netfilter/nfnetlink.c:302
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
nfnetlink_rcv+0x297/0x2ab0 net/netfilter/nfnetlink.c:667
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:726
____sys_sendmsg+0x52a/0x7e0 net/socket.c:2594
___sys_sendmsg net/socket.c:2648 [inline]
__sys_sendmsg+0x269/0x350 net/socket.c:2680
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3779785d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f377a638038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3779976160 RCX: 00007f3779785d29
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 00007f3779801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3779976160 R15: 00007fffbb1b46a8