Comment 3 for bug 1856560

Here is the output of the /proc/<pid>/stack

cat /proc/3844/stack
[<0>] __blkdev_get+0x7a/0x580
[<0>] blkdev_get+0x131/0x340
[<0>] blkdev_open+0x92/0x100
[<0>] do_dentry_open+0x1f8/0x3a0
[<0>] vfs_open+0x2f/0x40
[<0>] path_openat+0x2e8/0x1700
[<0>] do_filp_open+0x9b/0x110
[<0>] do_sys_open+0x1bb/0x2d0
[<0>] __x64_sys_openat+0x20/0x30
[<0>] do_syscall_64+0x5a/0x120
[<0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[<0>] 0xffffffffffffffff