INFO: task syz-executor.2:7881 blocked for more than 143 seconds. Not tainted 6.16.0-rc6-next-20250718 #1 Blocked by coredump. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:26352 pid:7881 tgid:7881 ppid:279 task_flags:0x40044c 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 do_exit+0x68f/0x2970 do_group_exit+0xd3/0x2a0 get_signal+0x2315/0x2340 arch_do_signal_or_restart+0x80/0x790 exit_to_user_mode_loop+0x8b/0x100 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5115867b62 RSP: 002b:00007ffc0222b638 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: fffffffffffffffc RBX: 0000000000020022 RCX: 00007f5115867b62 RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffc0222b830 R13: 00007f51135de700 R14: 0000000000000000 R15: 0000000000022000 INFO: task syz-executor.2:7881 blocked on an rw-semaphore likely owned by task syz-executor.2:7898 task:syz-executor.2 state:R running task stack:26096 pid:7898 tgid:7881 ppid:279 task_flags:0x400040 flags:0x00004006 Call Trace: INFO: task syz-executor.2:7889 blocked for more than 143 seconds. Not tainted 6.16.0-rc6-next-20250718 #1 Blocked by coredump. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27912 pid:7889 tgid:7881 ppid:279 task_flags:0x40054c 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 do_exit+0x68f/0x2970 do_group_exit+0xd3/0x2a0 get_signal+0x2315/0x2340 arch_do_signal_or_restart+0x80/0x790 exit_to_user_mode_loop+0x8b/0x100 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5115867b19 RSP: 002b:00007f5112ddd218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f511597af68 RCX: 00007f5115867b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f511597af68 RBP: 00007f511597af60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f511597af6c R13: 00007ffc0222b6af R14: 00007f5112ddd300 R15: 0000000000022000 INFO: task syz-executor.2:7889 blocked on an rw-semaphore likely owned by task syz-executor.2:7898 task:syz-executor.2 state:R running task stack:26096 pid:7898 tgid:7881 ppid:279 task_flags:0x400040 flags:0x00004006 Call Trace: stack_trace_save+0x8e/0xc0 __cond_resched+0x4c/0x80 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 systemd-journal/98: 1 lock held by in:imklog/174: 2 locks held by agetty/214: #0: ffff8880160840a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 #1: ffffc9000078b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x423/0x14c0 1 lock held by syz-executor.2/7881: #0: ffff88800f46e060 (&mm->mmap_lock){++++}-{4:4}, at: do_exit+0x68f/0x2970 1 lock held by syz-executor.2/7889: #0: ffff88800f46e060 (&mm->mmap_lock){++++}-{4:4}, at: do_exit+0x68f/0x2970 1 lock held by syz-executor.2/7898: =============================================