loop2: detected capacity change from 0 to 16
erofs: (device loop2): mounted with root inode @ nid 36.
erofs: (device loop2): z_erofs_readpage: failed to read, err [-95]
BUG: sleeping function called from invalid context at fs/dcache.c:877
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4765, name: syz.2.128
1 lock held by syz.2.128/4765:
 #0: ffff888072704180 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:797 [inline]
 #0: ffff888072704180 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x46/0x70 fs/namei.c:1687
Preemption disabled at:
[<ffffffff83912457>] kmap_atomic include/linux/highmem-internal.h:196 [inline]
[<ffffffff83912457>] z_erofs_reload_indexes+0x347/0x590 fs/erofs/zmap.c:146
CPU: 0 PID: 4765 Comm: syz.2.128 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 ___might_sleep+0x47c/0x600 kernel/sched/core.c:9658
 dput+0x26/0x1a0 fs/dcache.c:877
 __lookup_slow+0x355/0x3d0 fs/namei.c:1674
 lookup_slow+0x53/0x70 fs/namei.c:1688
 walk_component+0x319/0x460 fs/namei.c:1984
 lookup_last fs/namei.c:2439 [inline]
 path_lookupat+0x169/0x440 fs/namei.c:2463
 do_o_path+0x94/0x1f0 fs/namei.c:3721
 path_openat+0x2954/0x2f30 fs/namei.c:3743
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3777
 do_sys_openat2+0x142/0x4a0 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1471a2f749
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:00007f146fc96038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f1471c85fa0 RCX: 00007f1471a2f749
RDX: 0000000000200002 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f1471ab3f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1471c86038 R14: 00007f1471c85fa0 R15: 00007ffe14f3b408
 </TASK>
BUG: scheduling while atomic: syz.2.128/4765/0x00000002
no locks held by syz.2.128/4765.
Modules linked in:
Preemption disabled at:
[<ffffffff83912457>] kmap_atomic include/linux/highmem-internal.h:196 [inline]
[<ffffffff83912457>] z_erofs_reload_indexes+0x347/0x590 fs/erofs/zmap.c:146