BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5052, name: syz-executor.1 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 4 locks held by syz-executor.1/5052: #0: ffff88814c3ea460 (sb_writers#4){.+.+}-{0:0} , at: filename_create+0xf5/0x4a0 fs/namei.c:3877 #1: ffff888077f33600 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:810 [inline] #1: ffff888077f33600 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x1ae/0x4a0 fs/namei.c:3884 #2: ffff88814c3c6990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14e0 fs/jbd2/transaction.c:461 #3: ffffffff8c799800 (rcu_read_lock){....}-{1:2}, at: lru_gen_refault mm/workingset.c:293 [inline] #3: ffffffff8c799800 (rcu_read_lock){....}-{1:2}, at: workingset_refault+0x175/0x11e0 mm/workingset.c:528 CPU: 0 PID: 5052 Comm: syz-executor.1 Not tainted 6.4.0-rc1-next-20230508-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106 __might_resched+0x358/0x580 kernel/sched/core.c:10153 might_alloc include/linux/sched/mm.h:306 [inline] slab_pre_alloc_hook mm/slab.h:670 [inline] slab_alloc_node mm/slub.c:3433 [inline] slab_alloc mm/slub.c:3459 [inline] __kmem_cache_alloc_lru mm/slub.c:3466 [inline] kmem_cache_alloc+0x357/0x3b0 mm/slub.c:3475 kmem_cache_zalloc include/linux/slab.h:670 [inline] alloc_buffer_head+0x24/0x150 fs/buffer.c:3044 folio_alloc_buffers+0x2f2/0x810 fs/buffer.c:941 alloc_page_buffers fs/buffer.c:976 [inline] grow_dev_page fs/buffer.c:1084 [inline] grow_buffers fs/buffer.c:1130 [inline] __getblk_slow+0x612/0x1230 fs/buffer.c:1157 __getblk_gfp+0x72/0x80 fs/buffer.c:1452 sb_getblk include/linux/buffer_head.h:369 [inline] ext4_getblk+0x211/0x850 fs/ext4/inode.c:845 ext4_bread+0x2e/0x190 fs/ext4/inode.c:891 ext4_append+0x243/0x540 fs/ext4/namei.c:83 ext4_init_new_dir+0x262/0x4c0 fs/ext4/namei.c:2955 ext4_mkdir+0x3d3/0xb20 fs/ext4/namei.c:3001 vfs_mkdir+0x242/0x460 fs/namei.c:4115 do_mkdirat+0x28d/0x310 fs/namei.c:4138 __do_sys_mkdirat fs/namei.c:4153 [inline] __se_sys_mkdirat fs/namei.c:4151 [inline] __x64_sys_mkdirat+0x119/0x170 fs/namei.c:4151 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f347148b187 Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff9b020858 EFLAGS: 00000202 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fff9b0208e0 RCX: 00007f347148b187 RDX: 00000000000001ff RSI: 00007fff9b0208e0 RDI: 00000000ffffff9c RBP: 00007fff9b0208bc R08: 0000000000000000 R09: 0000000000000005 R10: 00007fff9b0205f5 R11: 0000000000000202 R12: 0000000000000032 R13: 00000000000b4265 R14: 0000000000000003 R15: 00007fff9b020920