[syzbot] [bpf?] INFO: task hung in bpf_prog_dev_bound_destroy

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 8a92980606e3 Merge tag 'scsi-fixes' of git://git.kernel.or..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11e0f5ba980000
kernel config: https://syzkaller.appspot.com/x/.config?x=333ebe38d43c42e2
dashboard link: https://syzkaller.appspot.com/bug?extid=638395cff1c05c4a0128
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/fa5a3bdc8575/disk-8a929806.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/9f37ced39a44/vmlinux-8a929806.xz
kernel image: https://storage.googleapis.com/syzbot-assets/604ed8ab462f/bzImage-8a929806.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+638395...@syzkaller.appspotmail.com

INFO: task kworker/0:5:5177 blocked for more than 143 seconds.
Not tainted 6.10.0-rc2-syzkaller-00235-g8a92980606e3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:20752 pid:5177 tgid:5177 ppid:2 flags:0x00004000
Workqueue: events bpf_prog_free_deferred
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
bpf_prog_dev_bound_destroy+0x76/0x590 kernel/bpf/offload.c:386
bpf_prog_free_deferred+0x3c5/0x710 kernel/bpf/core.c:2784
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
INFO: task syz-executor.2:12871 blocked for more than 143 seconds.
Not tainted 6.10.0-rc2-syzkaller-00235-g8a92980606e3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24912 pid:12871 tgid:12870 ppid:12213 flags:0x00000006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
do_ip_setsockopt+0x127d/0x3cd0 net/ipv4/ip_sockglue.c:1077


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[Tetsuo Handa]

#syz fix: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()