INFO: task syz-executor:9235 blocked for more than 124 seconds. Not tainted 6.12.30-syzkaller-g21ed84930c16 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:9235 tgid:9235 ppid:1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5947 [inline] __schedule+0x132b/0x1e00 kernel/sched/core.c:7775 __schedule_loop kernel/sched/core.c:7856 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7871 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7928 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x81e/0x1b50 kernel/locking/mutex.c:788 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1119 mutex_lock+0x102/0x1c0 kernel/locking/mutex.c:270 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline] netlink_unicast+0x8c6/0xa60 net/netlink/af_netlink.c:1342 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x66d/0x6f0 net/socket.c:2217 __do_sys_sendto net/socket.c:2229 [inline] __se_sys_sendto net/socket.c:2225 [inline] __x64_sys_sendto+0xe9/0x100 net/socket.c:2225 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7fc574f90763 RSP: 002b:00007ffc37846bd8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fc575ce4620 RCX: 00007fc574f90763 RDX: 000000000000002c RSI: 00007fc575ce4670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffc37846bf4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fc575ce4670 R15: 0000000000000000 INFO: task syz-executor:9237 blocked for more than 126 seconds. Not tainted 6.12.30-syzkaller-g21ed84930c16 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:9237 tgid:9237 ppid:1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5947 [inline] __schedule+0x132b/0x1e00 kernel/sched/core.c:7775 __schedule_loop kernel/sched/core.c:7856 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7871 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7928 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x81e/0x1b50 kernel/locking/mutex.c:788 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1119 mutex_lock+0x102/0x1c0 kernel/locking/mutex.c:270 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline] netlink_unicast+0x8c6/0xa60 net/netlink/af_netlink.c:1342 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x66d/0x6f0 net/socket.c:2217 __do_sys_sendto net/socket.c:2229 [inline] __se_sys_sendto net/socket.c:2225 [inline] __x64_sys_sendto+0xe9/0x100 net/socket.c:2225 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7ff10f190763 RSP: 002b:00007ffd4cecb128 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007ff10fee4620 RCX: 00007ff10f190763 RDX: 000000000000002c RSI: 00007ff10fee4670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffd4cecb144 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007ff10fee4670 R15: 0000000000000000 INFO: task syz-executor:9238 blocked for more than 130 seconds. Not tainted 6.12.30-syzkaller-g21ed84930c16 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.