INFO: task syz-executor297:3636 blocked for more than 143 seconds. Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor297 state:D stack:27952 pid:3636 ppid:3632 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5209 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6521 schedule+0xde/0x1b0 kernel/sched/core.c:6597 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 nfnl_lock net/netfilter/nfnetlink.c:97 [inline] nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 nfnetlink_rcv+0x1b0/0x420 net/netfilter/nfnetlink.c:659 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f84eb8bcd49 RSP: 002b:00007fff9090b4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84eb8bcd49 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000140 R09: 0000000000000140 R10: 00007fff9090af40 R11: 0000000000000246 R12: 00007fff9090b4e0 R13: 00007fff9090b500 R14: 00007fff9090b5e0 R15: 00007f84eb8f90ba INFO: task syz-executor297:3638 blocked for more than 143 seconds. Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor297 state:D stack:27688 pid:3638 ppid:3635 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5209 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6521 schedule+0xde/0x1b0 kernel/sched/core.c:6597 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 nfnl_lock net/netfilter/nfnetlink.c:97 [inline] nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 nfnetlink_rcv+0x1b0/0x420 net/netfilter/nfnetlink.c:659 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f84eb8bcd49 RSP: 002b:00007fff9090b4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84eb8bcd49 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000140 R09: 0000000000000140 R10: 00007fff9090af40 R11: 0000000000000246 R12: 00007fff9090b4e0 R13: 00007fff9090b500 R14: 00007fff9090b5e0 R15: 00007f84eb8f90ba INFO: task syz-executor297:3639 blocked for more than 144 seconds. Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor297 state:D stack:27952 pid:3639 ppid:3633 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5209 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6521 schedule+0xde/0x1b0 kernel/sched/core.c:6597 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 nfnl_lock net/netfilter/nfnetlink.c:97 [inline] nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 nfnetlink_rcv+0x1b0/0x420 net/netfilter/nfnetlink.c:659 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f84eb8bcd49 RSP: 002b:00007fff9090b4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84eb8bcd49 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000140 R09: 0000000000000140 R10: 00007fff9090af40 R11: 0000000000000246 R12: 00007fff9090b4e0 R13: 00007fff9090b500 R14: 00007fff9090b5e0 R15: 00007f84eb8f90ba INFO: task syz-executor297:3640 blocked for more than 144 seconds. Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor297 state:D stack:27952 pid:3640 ppid:3637 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5209 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6521 schedule+0xde/0x1b0 kernel/sched/core.c:6597 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 nfnl_lock net/netfilter/nfnetlink.c:97 [inline] nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 nfnetlink_rcv+0x1b0/0x420 net/netfilter/nfnetlink.c:659 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f84eb8bcd49 RSP: 002b:00007fff9090b4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84eb8bcd49 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000140 R09: 0000000000000140 R10: 00007fff9090af40 R11: 0000000000000246 R12: 00007fff9090b4e0 R13: 00007fff9090b500 R14: 00007fff9090b5e0 R15: 00007f84eb8f90ba INFO: task syz-executor297:3641 blocked for more than 144 seconds. Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor297 state:D stack:27488 pid:3641 ppid:3634 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5209 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6521 schedule+0xde/0x1b0 kernel/sched/core.c:6597 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 nfnl_lock net/netfilter/nfnetlink.c:97 [inline] nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 nfnetlink_rcv+0x1b0/0x420 net/netfilter/nfnetlink.c:659 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f84eb8bcd49 RSP: 002b:00007fff9090b4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84eb8bcd49 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000140 R09: 0000000000000140 R10: 00007fff9090af40 R11: 0000000000000246 R12: 00007fff9090b4e0 R13: 00007fff9090b500 R14: 00007fff9090b5e0 R15: 00007f84eb8f90ba Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8c58f070 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffffffff8c58ed70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 2 locks held by kworker/0:1/14: #0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888012066538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260 #1: ffffc90000137da8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264 1 lock held by khungtaskd/28: #0: ffffffff8c58fbc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494 2 locks held by syslogd/2978: 2 locks held by getty/3308: #0: ffff88814b3d0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177 1 lock held by syz-executor297/3631: 1 lock held by syz-executor297/3636: #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnl_lock net/netfilter/nfnetlink.c:97 [inline] #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 1 lock held by syz-executor297/3638: #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnl_lock net/netfilter/nfnetlink.c:97 [inline] #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 1 lock held by syz-executor297/3639: #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnl_lock net/netfilter/nfnetlink.c:97 [inline] #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 1 lock held by syz-executor297/3640: #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnl_lock net/netfilter/nfnetlink.c:97 [inline] #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 1 lock held by syz-executor297/3641: #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnl_lock net/netfilter/nfnetlink.c:97 [inline] #0: ffffffff91d49cb8 (nfnl_subsys_ipset){+.+.}-{3:3}, at: nfnetlink_rcv_msg+0xaae/0x1430 net/netfilter/nfnetlink.c:294 2 locks held by dhcpcd/3661: #0: ffff88806f429410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff88806f429410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:649 #1: ffffffff8c59a878 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline] #1: ffffffff8c59a878 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x5df/0x780 kernel/rcu/tree_exp.h:946 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x333/0x3c0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xc75/0xfc0 kernel/hung_task.c:377 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3631 Comm: syz-executor297 Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200 Code: 76 96 86 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 65 8b 05 75 61 82 7e 89 c1 48 8b 34 24 81 e1 00 01 00 RSP: 0018:ffffc90003b8f000 EFLAGS: 00000287 RAX: 0000000000000000 RBX: 00000000fff00000 RCX: ffffffff881875a6 RDX: ffff88802303d7c0 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000004 R09: 000000001ed00000 R10: 000000001ede0210 R11: 0000000000000000 R12: ffffffff8b639c90 R13: 000000001ede0210 R14: dffffc0000000000 R15: 000000001ed00000 FS: 0000555555a8f300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005566a6d2f680 CR3: 00000000209cd000 CR4: 0000000000350ef0 Call Trace: ip_set_range_to_cidr+0xa1/0x160 net/netfilter/ipset/pfxlen.c:177 hash_net4_uadt+0x50c/0x9d0 net/netfilter/ipset/ip_set_hash_net.c:193 call_ad.constprop.0+0x101/0x760 net/netfilter/ipset/ip_set_core.c:1698 ip_set_ad.constprop.0.isra.0+0x4c7/0xac0 net/netfilter/ipset/ip_set_core.c:1787 nfnetlink_rcv_msg+0xbca/0x1430 net/netfilter/nfnetlink.c:301 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 nfnetlink_rcv+0x1b0/0x420 net/netfilter/nfnetlink.c:659 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f84eb8bcd49 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 17 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff9090b4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f84eb8bcd49 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000140 R09: 0000000000000140 R10: 0000000000000140 R11: 0000000000000246 R12: 00007fff9090b4e0 R13: 00007fff9090b500 R14: 00007fff9090b5e0 R15: 00007f84eb8f90ba