erofs: (device loop1): mounted with root inode @ nid 36.
erofs: (device loop1): 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: 4742, name: syz.1.139
1 lock held by syz.1.139/4742:
 #0: ffff88805f6e8c00 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
 #0: ffff88805f6e8c00 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: open_last_lookups fs/namei.c:3537 [inline]
 #0: ffff88805f6e8c00 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x7f3/0x2f30 fs/namei.c:3747
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: 4742 Comm: syz.1.139 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_open fs/namei.c:3482 [inline]
 open_last_lookups fs/namei.c:3540 [inline]
 path_openat+0x120d/0x2f30 fs/namei.c:3747
 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: 0033:0x7fc31b07e749
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:00007fc3192e5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc31b2d4fa0 RCX: 00007fc31b07e749
RDX: 000000000000275a RSI: 0000200000000100 RDI: ffffffffffffff9c
RBP: 00007fc31b102f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc31b2d5038 R14: 00007fc31b2d4fa0 R15: 00007ffd4cab3858
 </TASK>
BUG: scheduling while atomic: syz.1.139/4742/0x00000002
no locks held by syz.1.139/4742.
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