erofs: (device loop4): z_erofs_readpage: failed to read, err [-117]
BUG: scheduling while atomic: syz.4.1226/4881/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff8215ce88>] kmap_atomic include/linux/highmem.h:156 [inline]
[<ffffffff8215ce88>] z_erofs_reload_indexes+0x318/0x450 fs/erofs/zmap.c:148
CPU: 1 PID: 4881 Comm: syz.4.1226 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 dump_stack+0x15/0x1c lib/dump_stack.c:135
 __schedule_bug+0x183/0x240 kernel/sched/core.c:4545
 schedule_debug kernel/sched/core.c:4572 [inline]
 __schedule+0xc45/0x1320 kernel/sched/core.c:4700
 schedule+0x13c/0x1d0 kernel/sched/core.c:4884
 exit_to_user_mode_loop+0x4b/0xe0 kernel/entry/common.c:160
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f981df12d97
Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f981c96fe58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffff8b RBX: 00007f981c96fee0 RCX: 00007f981df12d97
RDX: 00000000000001ff RSI: 00002000000000c0 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
R13: 00007f981c96fea0 R14: 0000000000000000 R15: 0000000000000000
erofs: (device loop4): z_erofs_readpage: failed to read, err [-117]
BUG: scheduling while atomic: syz.4.1226/4881/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff8215ce88>] kmap_atomic include/linux/highmem.h:156 [inline]
[<ffffffff8215ce88>] z_erofs_reload_indexes+0x318/0x450 fs/erofs/zmap.c:148
CPU: 1 PID: 4881 Comm: syz.4.1226 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 dump_stack+0x15/0x1c lib/dump_stack.c:135
 __schedule_bug+0x183/0x240 kernel/sched/core.c:4545
 schedule_debug kernel/sched/core.c:4572 [inline]
 __schedule+0xc45/0x1320 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+0x29a/0x520 kernel/futex/core.c:2621
 futex_wait+0x269/0x6f0 kernel/futex/core.c:2723
 do_futex+0xfe5/0x1290 kernel/futex/core.c:3757
 __do_sys_futex kernel/futex/core.c:3820 [inline]
 __se_sys_futex+0x2ba/0x370 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: 0033:0x7f981df13eb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f981c9700e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f981e18efa8 RCX: 00007f981df13eb9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f981e18efa8
RBP: 00007f981e18efa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f981e18f038 R14: 00007ffcba8a0a30 R15: 00007ffcba8a0b18