erofs: (device loop5): mounted with root inode @ nid 36.
erofs: (device loop5): z_erofs_readpage: failed to read, err [-117]
BUG: scheduling while atomic: syz.5.204/1085/0x00000002
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: 0 PID: 1085 Comm: syz.5.204 Not tainted 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: 0033:0x7fa44d17feb9
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:00007fa44bbdc028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffff8b RBX: 00007fa44d3fafa0 RCX: 00007fa44d17feb9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007fa44d1edc1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa44d3fb038 R14: 00007fa44d3fafa0 R15: 00007ffe129c6948
erofs: (device loop5): z_erofs_readpage: failed to read, err [-117]
BUG: scheduling while atomic: syz.5.204/1085/0x00000002
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: 0 PID: 1085 Comm: syz.5.204 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: 0033:0x7fa44d17feb9
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:00007fa44bbdc028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffff8b RBX: 00007fa44d3fafa0 RCX: 00007fa44d17feb9
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000000
RBP: 00007fa44d1edc1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa44d3fb038 R14: 00007fa44d3fafa0 R15: 00007ffe129c6948