BUG: sleeping function called from invalid context at include/linux/sched/mm.h:337 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5086, name: udevd preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by udevd/5086: #0: ffff88807a91c420 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:514 #1: ffff88806f819660 (&type->i_mutex_dir_key#5){++++}-{3:3}, at: inode_lock include/linux/fs.h:799 [inline] #1: ffff88806f819660 (&type->i_mutex_dir_key#5){++++}-{3:3}, at: open_last_lookups fs/namei.c:3582 [inline] #1: ffff88806f819660 (&type->i_mutex_dir_key#5){++++}-{3:3}, at: path_openat+0x7e9/0x35e0 fs/namei.c:3821 #2: ffff88806f819410 (&simple_offset_lock_class){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #2: ffff88806f819410 (&simple_offset_lock_class){+.+.}-{2:2}, at: mtree_alloc_cyclic+0x217/0x330 lib/maple_tree.c:6586 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 UID: 0 PID: 5086 Comm: udevd Tainted: G W 6.10.0-rc5-next-20240626-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 __might_resched+0x5d4/0x780 kernel/sched/core.c:8520 might_alloc include/linux/sched/mm.h:337 [inline] slab_pre_alloc_hook mm/slub.c:3926 [inline] slab_alloc_node mm/slub.c:4017 [inline] kmem_cache_alloc_noprof+0x5d/0x2a0 mm/slub.c:4044 mt_alloc_one lib/maple_tree.c:162 [inline] mas_alloc_nodes+0x26c/0x840 lib/maple_tree.c:1242 mas_node_count_gfp lib/maple_tree.c:1322 [inline] mas_wr_preallocate+0x4ca/0x6b0 lib/maple_tree.c:4351 mas_insert lib/maple_tree.c:4389 [inline] mas_alloc_cyclic+0x3f7/0xae0 lib/maple_tree.c:4451 mtree_alloc_cyclic+0x239/0x330 lib/maple_tree.c:6587 simple_offset_add+0x105/0x1b0 fs/libfs.c:289 shmem_mknod+0xfa/0x1e0 mm/shmem.c:3449 lookup_open fs/namei.c:3516 [inline] open_last_lookups fs/namei.c:3585 [inline] path_openat+0x1aaf/0x35e0 fs/namei.c:3821 do_filp_open+0x235/0x490 fs/namei.c:3851 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416 do_sys_open fs/open.c:1431 [inline] __do_sys_openat fs/open.c:1447 [inline] __se_sys_openat fs/open.c:1442 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1442 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f47191169a4 Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffdbd06d300 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f47191169a4 RDX: 0000000000080241 RSI: 00007ffdbd06d848 RDI: 00000000ffffff9c RBP: 00007ffdbd06d848 R08: 0000000000000004 R09: 0000000000000001 R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000080241 R13: 000055702db3b72e R14: 0000000000000001 R15: 000055702db56160