[v6.1] INFO: task hung in process_measurement

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Jul 6, 2024, 1:05:23 AM (yesterday) Jul 6
to syzkaller...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: 7753af06eebf Linux 6.1.97
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=16d487d1980000
kernel config: https://syzkaller.appspot.com/x/.config?x=8598d0ff7c47577b
dashboard link: https://syzkaller.appspot.com/bug?extid=a8d155d101ce07be8c73
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/2ba92bc446d9/disk-7753af06.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/96a956b7234b/vmlinux-7753af06.xz
kernel image: https://storage.googleapis.com/syzbot-assets/eb054c41985f/bzImage-7753af06.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a8d155...@syzkaller.appspotmail.com

INFO: task syz.2.434:5304 blocked for more than 144 seconds.
Not tainted 6.1.97-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.434 state:D stack:26688 pid:5304 ppid:4364 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
rwsem_down_write_slowpath+0xea1/0x14b0 kernel/locking/rwsem.c:1189
inode_lock include/linux/fs.h:758 [inline]
process_measurement+0x446/0x21b0 security/integrity/ima/ima_main.c:242
ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:534


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