BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:321
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5331, name: syz.0.0
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
4 locks held by syz.0.0/5331:
#0: ffff888012e51ef8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x247/0x310 fs/file.c:1213
#1: ffff8880431b0148 (&type->i_mutex_dir_key#8){.+.+}-{4:4}, at: iterate_dir+0x4a6/0x760 fs/readdir.c:101
#2: ffffffff8ed3b560 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#2: ffffffff8ed3b560 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#2: ffffffff8ed3b560 (rcu_read_lock){....}-{1:3}, at: afs_dynroot_readdir+0x466/0xbe0 fs/afs/dynroot.c:351
#3: ffff8880431bbde0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_trylock include/linux/mmap_lock.h:209 [inline]
#3: ffff8880431bbde0 (&mm->mmap_lock){++++}-{4:4}, at: get_mmap_lock_carefully mm/memory.c:6239 [inline]
#3: ffff8880431bbde0 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x32/0x2f0 mm/memory.c:6299
CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-10892-g4e82c87058f4 #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
__might_resched+0x558/0x6c0 kernel/sched/core.c:8818
might_alloc include/linux/sched/mm.h:321 [inline]
prepare_alloc_pages+0x1eb/0x610 mm/page_alloc.c:4574
__alloc_frozen_pages_noprof+0x16b/0x580 mm/page_alloc.c:4795
alloc_pages_mpol+0x339/0x690 mm/mempolicy.c:2301
folio_alloc_mpol_noprof mm/mempolicy.c:2320 [inline]
vma_alloc_folio_noprof+0x12d/0x260 mm/mempolicy.c:2355
folio_prealloc+0x2e/0x170 mm/memory.c:-1
alloc_anon_folio mm/memory.c:4836 [inline]
do_anonymous_page mm/memory.c:4893 [inline]
do_pte_missing mm/memory.c:4054 [inline]
handle_pte_fault mm/memory.c:5890 [inline]
__handle_mm_fault+0x32e8/0x6ef0 mm/memory.c:6033
handle_mm_fault+0x3fa/0x900 mm/memory.c:6202
do_user_addr_fault arch/x86/mm/fault.c:1388 [inline]
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x2bb/0x8b0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:filldir+0x2c4/0x6a0 fs/readdir.c:292
Code: 87 55 02 00 00 0f 01 cb 0f ae e8 48 8b 44 24 30 49 89 46 08 48 8b 4c 24 10 48 8b 44 24 60 48 89 01 48 8b 44 24 18 8b 6c 24 3c <66> 89 41 10 48 98 40 88 6c 01 ff 48 89 44 24 30 4d 63 f5 42 c6 44
RSP: 0018:ffffc900019d7be0 EFLAGS: 00050283
RAX: 0000000000000018 RBX: 0000200000002008 RCX: 0000200000001ff0
RDX: ffffc9000e372000 RSI: 0000200000001fd8 RDI: 0000200000002008
RBP: 0000000000000004 R08: ffffffff8243adcd R09: 1ffff11003ef1910
R10: dffffc0000000000 R11: ffffed1003ef1911 R12: ffff888036b60041
R13: 0000000000000003 R14: 0000200000001fd8 R15: 00007ffffffff000
dir_emit include/linux/fs.h:3861 [inline]
afs_dynroot_readdir_cells fs/afs/dynroot.c:310 [inline]
afs_dynroot_readdir+0x814/0xbe0 fs/afs/dynroot.c:352
iterate_dir+0x5a9/0x760 fs/readdir.c:108
__do_sys_getdents fs/readdir.c:322 [inline]
__se_sys_getdents+0x1ff/0x4e0 fs/readdir.c:308
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7e6b98d169
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:00007f7e6c82c038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f7e6bba5fa0 RCX: 00007f7e6b98d169
RDX: 00000000000000b8 RSI: 0000200000001fc0 RDI: 0000000000000003
RBP: 00007f7e6ba0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7e6bba5fa0 R15: 00007fffc57125e8
</TASK>
loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #65: OCFS2_VALID_FL not set
On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
OCFS2: File system is now read-only.
(syz.0.0,5331,0):ocfs2_read_locked_inode:535 ERROR: status = -30
(syz.0.0,5331,0):ocfs2_init_global_system_inodes:444 ERROR: status = -30
(syz.0.0,5331,0):ocfs2_init_global_system_inodes:476 ERROR: status = -30
(syz.0.0,5331,0):ocfs2_initialize_super:2195 ERROR: status = -30
(syz.0.0,5331,0):ocfs2_fill_super:1177 ERROR: status = -30
----------------
Code disassembly (best guess):
0: 87 55 02 xchg %edx,0x2(%rbp)
3: 00 00 add %al,(%rax)
5: 0f 01 cb stac
8: 0f ae e8 lfence
b: 48 8b 44 24 30 mov 0x30(%rsp),%rax
10: 49 89 46 08 mov %rax,0x8(%r14)
14: 48 8b 4c 24 10 mov 0x10(%rsp),%rcx
19: 48 8b 44 24 60 mov 0x60(%rsp),%rax
1e: 48 89 01 mov %rax,(%rcx)
21: 48 8b 44 24 18 mov 0x18(%rsp),%rax
26: 8b 6c 24 3c mov 0x3c(%rsp),%ebp
* 2a: 66 89 41 10 mov %ax,0x10(%rcx) <-- trapping instruction
2e: 48 98 cltq
30: 40 88 6c 01 ff mov %bpl,-0x1(%rcx,%rax,1)
35: 48 89 44 24 30 mov %rax,0x30(%rsp)
3a: 4d 63 f5 movslq %r13d,%r14
3d: 42 rex.X
3e: c6 .byte 0xc6
3f: 44 rex.R