INFO: task syz-executor.6:13480 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.6 state:D stack:26392 pid:13480 tgid:13480 ppid:282 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: 0033:0x7f0fdf06db62
RSP: 002b:00007ffc02cb5908 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: fffffffffffffffc RBX: 0000000000020022 RCX: 00007f0fdf06db62
RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffc02cb5b00
R13: 00007f0fdcde4700 R14: 0000000000000000 R15: 0000000000022000
INFO: task syz-executor.6:13480 blocked on an rw-semaphore likely owned by task syz-executor.6:13482
task:syz-executor.6 state:R running task stack:26000 pid:13482 tgid:13480 ppid:282 task_flags:0x400040 flags:0x00004006
Call Trace:
__schedule+0xe8d/0x35b0
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/185:
2 locks held by agetty/213:
#0: ffff88800f1ba0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80
#1: ffffc900007d12f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x423/0x14c0
1 lock held by syz-executor.6/13480:
#0: ffff888015f096e0 (&mm->mmap_lock){++++}-{4:4}, at: do_exit+0x68f/0x2970
1 lock held by syz-executor.6/13482:
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