loop2: detected capacity change from 0 to 4096 ntfs3: Unknown parameter 'prea' BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:321 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 4133, name: syz.2.16 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 4 locks held by syz.2.16/4133: #0: ffff888109e22e78 (&f->f_pos_lock){....}-{3:3}, at: fdget_pos+0x7c/0xb0 fs/file.c:1192 #1: ffff88810bdb8be8 (&ovl_i_mutex_dir_key[depth]){....}-{3:3}, at: wrap_directory_iterator+0x32/0x70 fs/readdir.c:54 #2: ffff888118d68148 (&type->i_mutex_dir_key#8){....}-{3:3}, at: iterate_dir+0x49/0x150 fs/readdir.c:101 #3: ffffffff84981658 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #3: ffffffff84981658 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff84981658 (rcu_read_lock){....}-{1:2}, at: net_generic include/net/netns/generic.h:45 [inline] #3: ffffffff84981658 (rcu_read_lock){....}-{1:2}, at: afs_net fs/afs/internal.h:1244 [inline] #3: ffffffff84981658 (rcu_read_lock){....}-{1:2}, at: afs_sb2net fs/afs/internal.h:1249 [inline] #3: ffffffff84981658 (rcu_read_lock){....}-{1:2}, at: afs_d2net fs/afs/internal.h:1254 [inline] #3: ffffffff84981658 (rcu_read_lock){....}-{1:2}, at: afs_dynroot_readdir+0x51/0x360 fs/afs/dynroot.c:330 CPU: 0 UID: 0 PID: 4133 Comm: syz.2.16 Not tainted 6.14.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120 __might_resched+0x1a4/0x1c0 kernel/sched/core.c:8767 might_alloc include/linux/sched/mm.h:321 [inline] slab_pre_alloc_hook mm/slub.c:4066 [inline] slab_alloc_node mm/slub.c:4144 [inline] __do_kmalloc_node mm/slub.c:4293 [inline] __kmalloc_noprof+0xbc/0x4e0 mm/slub.c:4306 kmalloc_noprof include/linux/slab.h:905 [inline] ovl_cache_entry_new+0x37/0x150 fs/overlayfs/readdir.c:152 ovl_cache_entry_add_rb fs/overlayfs/readdir.c:188 [inline] ovl_fill_merge+0x1bc/0x250 fs/overlayfs/readdir.c:266 dir_emit include/linux/fs.h:3851 [inline] afs_dynroot_readdir_cells fs/afs/dynroot.c:309 [inline] afs_dynroot_readdir+0x2bf/0x360 fs/afs/dynroot.c:351 iterate_dir+0x80/0x150 fs/readdir.c:108 ovl_dir_read+0x54/0x150 fs/overlayfs/readdir.c:313 ovl_dir_read_merged+0xf5/0x190 fs/overlayfs/readdir.c:369 ovl_cache_get fs/overlayfs/readdir.c:422 [inline] ovl_iterate+0x538/0x860 fs/overlayfs/readdir.c:783 wrap_directory_iterator+0x4a/0x70 fs/readdir.c:65 iterate_dir+0x80/0x150 fs/readdir.c:108 __do_sys_getdents fs/readdir.c:322 [inline] __se_sys_getdents+0x70/0x110 fs/readdir.c:308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa52758d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa528381038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 00007fa5277a5fa0 RCX: 00007fa52758d169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fa52760e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa5277a5fa0 R15: 00007fffcd176c88