BUG: scheduling while atomic in futex_wait_queue

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-5-15	BUG: scheduling while atomic in futex_wait_queue_me	5				19	449d	545d	0/2	auto-obsoleted due to no activity on 2024/08/15 06:55
android-5-15	BUG: scheduling while atomic in futex_wait_queue_me (2)	5				1	27d	27d	0/2	premoderation: reported on 2025/07/29 23:22

erofs: (device loop3): mounted with root inode @ nid 36.
BUG: scheduling while atomic: syz.3.401/1705/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff82121a08>] kmap_atomic include/linux/highmem.h:156 [inline]
[<ffffffff82121a08>] z_erofs_reload_indexes+0x318/0x450 fs/erofs/zmap.c:148
CPU: 0 PID: 1705 Comm: syz.3.401 Not tainted 5.10.240-syzkaller-00225-g1154f779f3f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118
 dump_stack+0x15/0x1c lib/dump_stack.c:135
 __schedule_bug+0x177/0x230 kernel/sched/core.c:4545
 schedule_debug kernel/sched/core.c:4572 [inline]
 __schedule+0xc33/0x1310 kernel/sched/core.c:4700
 schedule+0x13c/0x1d0 kernel/sched/core.c:4884
 freezable_schedule include/linux/freezer.h:197 [inline]
 futex_wait_queue_me+0x29b/0x530 kernel/futex/core.c:2621
 futex_wait+0x210/0x680 kernel/futex/core.c:2723
 do_futex+0xf3d/0x1210 kernel/futex/core.c:3757
 __do_sys_futex kernel/futex/core.c:3820 [inline]
 __se_sys_futex+0x2b4/0x360 kernel/futex/core.c:3786
 __x64_sys_futex+0xe5/0x100 kernel/futex/core.c:3786
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f09247d49a9
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:00007f0922e3d0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f09249fbfa8 RCX: 00007f09247d49a9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f09249fbfa8
RBP: 00007f09249fbfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f09249fbfac
R13: 0000000000000000 R14: 00007ffe55a30860 R15: 00007ffe55a30948
erofs: (device loop3): z_erofs_readpage: failed to read, err [-117]