On Wed, Mar 01, 2023 at 07:04:59AM -0800, syzbot wrote: > -> #1 (fs_reclaim){+.+.}-{0:0}: > __fs_reclaim_acquire mm/page_alloc.c:4716 [inline] > fs_reclaim_acquire+0x11d/0x160 mm/page_alloc.c:4730 > might_alloc include/linux/sched/mm.h:271 [inline] > slab_pre_alloc_hook mm/slab.h:728 [inline] > slab_alloc_node mm/slub.c:3434 [inline] > __kmem_cache_alloc_node+0x41/0x330 mm/slub.c:3491 > kmalloc_node_trace+0x21/0x60 mm/slab_common.c:1074 > kmalloc_node include/linux/slab.h:606 [inline] > kzalloc_node include/linux/slab.h:731 [inline] > mempool_create_node mm/mempool.c:272 [inline] > mempool_create+0x52/0xc0 mm/mempool.c:261 > mempool_create_page_pool include/linux/mempool.h:112 [inline] > fscrypt_initialize+0x8a/0xa0 fs/crypto/crypto.c:332 > fscrypt_setup_encryption_info+0xef/0xeb0 fs/crypto/keysetup.c:563 > fscrypt_get_encryption_info+0x375/0x450 fs/crypto/keysetup.c:668 > fscrypt_setup_filename+0x23c/0xec0 fs/crypto/fname.c:458 > ext4_fname_setup_filename+0x8c/0x110 fs/ext4/crypto.c:28 > ext4_find_entry+0x8c/0x140 fs/ext4/namei.c:1725 > ext4_rename+0x51d/0x26d0 fs/ext4/namei.c:3829 > ext4_rename2+0x1c7/0x270 fs/ext4/namei.c:4193 > vfs_rename+0xef6/0x17a0 fs/namei.c:4772 > do_renameat2+0xb62/0xc90 fs/namei.c:4923 > __do_sys_renameat2 fs/namei.c:4956 [inline] > __se_sys_renameat2 fs/namei.c:4953 [inline] > __ia32_sys_renameat2+0xe8/0x120 fs/namei.c:4953 > do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] > __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 > do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 > entry_SYSENTER_compat_after_hwframe+0x70/0x82 #syz dup: possible deadlock in start_this_handle (4) - Eric