mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium INFO: task syz-executor.1:32581 blocked for more than 143 seconds. Not tainted 6.16.0-rc6-next-20250718 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:30424 pid:32581 tgid:32563 ppid:7225 task_flags:0x400040 flags:0x00004004 Call Trace: __schedule+0xe8d/0x35b0 schedule+0xdb/0x390 schedule_preempt_disabled+0x10/0x20 rwsem_down_read_slowpath+0x578/0xd00 down_read+0xec/0x470 madvise_lock+0x17d/0x240 do_madvise+0x109/0x240 __x64_sys_madvise+0xa9/0x110 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa252699b19 RSP: 002b:00007fa24fbee188 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007fa2527ad020 RCX: 00007fa252699b19 RDX: 0000000000000014 RSI: 0000000000003000 RDI: 0000000020ffd000 RBP: 00007fa2526f3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfc917a6f R14: 00007fa24fbee300 R15: 0000000000022000 INFO: task syz-executor.1:32581 blocked on an rw-semaphore likely owned by task syz-executor.1:32568 task:syz-executor.1 state:R running task stack:25928 pid:32568 tgid:32563 ppid:7225 task_flags:0x400040 flags:0x00004006 Call Trace: Showing all locks held in the system: 1 lock held by khungtaskd/32: #0: ffffffff85c1d1e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 1 lock held by in:imklog/173: 2 locks held by agetty/213: #0: ffff888019a2e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 #1: ffffc900007d72f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x423/0x14c0 1 lock held by syz-executor.1/32563: #0: ffff888040ed6060 (&mm->mmap_lock){++++}-{4:4}, at: do_exit+0x68f/0x2970 1 lock held by syz-executor.1/32568: 1 lock held by syz-executor.1/32581: #0: ffff888040ed6060 (&mm->mmap_lock){++++}-{4:4}, at: madvise_lock+0x17d/0x240 =============================================