======================================================
WARNING: possible circular locking dependency detected
6.1.87-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.1/10408 is trying to acquire lock:
ffff88805980b180 (mapping.invalidate_lock#7){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:813 [inline]
ffff88805980b180 (mapping.invalidate_lock#7){.+.+}-{3:3}, at: filemap_fault+0x640/0x17e0 mm/filemap.c:3191
but task is already holding lock:
ffff888020d09058 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
ffff888020d09058 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5304 [inline]
ffff888020d09058 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x2e/0x2e0 mm/memory.c:5366
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&mm->mmap_lock){++++}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__might_fault+0xbd/0x110 mm/memory.c:5835
_copy_to_user+0x26/0x130 lib/usercopy.c:36
copy_to_user include/linux/uaccess.h:169 [inline]
fiemap_fill_next_extent+0x231/0x410 fs/ioctl.c:144
ni_fiemap+0x9ae/0x1230 fs/ntfs3/frecord.c:2045
ntfs_fiemap+0x12e/0x170 fs/ntfs3/file.c:1247
ioctl_fiemap fs/ioctl.c:219 [inline]
do_vfs_ioctl+0x18e9/0x2a90 fs/ioctl.c:810
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl+0x81/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #1 (&ni->file.run_lock){++++}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_read+0xad/0xa30 kernel/locking/rwsem.c:1520
attr_data_get_block+0x276/0x2520 fs/ntfs3/attrib.c:903
ntfs_get_block_vbo+0x373/0xe60 fs/ntfs3/inode.c:590
do_mpage_readpage+0x8d2/0x2040 fs/mpage.c:208
mpage_readahead+0x450/0x920 fs/mpage.c:361
read_pages+0x17f/0x830 mm/readahead.c:161
page_cache_ra_unbounded+0x68b/0x7b0 mm/readahead.c:270
page_cache_sync_readahead include/linux/pagemap.h:1248 [inline]
filemap_get_pages mm/filemap.c:2636 [inline]
filemap_read+0x7fa/0x31d0 mm/filemap.c:2730
__kernel_read+0x41e/0x8a0 fs/read_write.c:428
integrity_kernel_read+0xac/0xf0 security/integrity/iint.c:228
ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline]
ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline]
ima_calc_file_hash+0xa57/0x1c00 security/integrity/ima/ima_crypto.c:573
ima_collect_measurement+0x59a/0xc30 security/integrity/ima/ima_api.c:293
process_measurement+0x135c/0x21b0 security/integrity/ima/ima_main.c:351
ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:534
do_open fs/namei.c:3630 [inline]
path_openat+0x2687/0x2e60 fs/namei.c:3785
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x500 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #0 (mapping.invalidate_lock#7){.+.+}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_read+0xad/0xa30 kernel/locking/rwsem.c:1520
filemap_invalidate_lock_shared include/linux/fs.h:813 [inline]
filemap_fault+0x640/0x17e0 mm/filemap.c:3191
__do_fault+0x136/0x4f0 mm/memory.c:4261
do_read_fault mm/memory.c:4612 [inline]
do_fault mm/memory.c:4741 [inline]
handle_pte_fault mm/memory.c:5013 [inline]
__handle_mm_fault mm/memory.c:5155 [inline]
handle_mm_fault+0x3412/0x5340 mm/memory.c:5276
do_user_addr_fault arch/x86/mm/fault.c:1371 [inline]
handle_page_fault arch/x86/mm/fault.c:1462 [inline]
exc_page_fault+0x26f/0x660 arch/x86/mm/fault.c:1518
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
copy_user_enhanced_fast_string+0xa/0x40 arch/x86/lib/copy_user_64.S:165
copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:52 [inline]
copyin+0xd8/0x120 lib/iov_iter.c:183
_copy_from_iter+0x493/0xff0 lib/iov_iter.c:631
copy_from_iter include/linux/uio.h:187 [inline]
copy_from_iter_full include/linux/uio.h:194 [inline]
memcpy_from_msg include/linux/skbuff.h:3989 [inline]
virtio_transport_alloc_skb+0x4b0/0x1220 net/vmw_vsock/virtio_transport_common.c:76
virtio_transport_send_pkt_info+0x2d4/0x6f0 net/vmw_vsock/virtio_transport_common.c:237
virtio_transport_stream_enqueue+0x151/0x1f0 net/vmw_vsock/virtio_transport_common.c:821
vsock_connectible_sendmsg+0xa01/0xde0 net/vmw_vsock/af_vsock.c:1864
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
sock_write_iter+0x394/0x4e0 net/socket.c:1143
do_iter_write+0x6e6/0xc50 fs/read_write.c:861
vfs_writev fs/read_write.c:934 [inline]
do_writev+0x27b/0x460 fs/read_write.c:977
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
other info that might help us debug this:
Chain exists of:
mapping.invalidate_lock#7 --> &ni->file.run_lock --> &mm->mmap_lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&mm->mmap_lock);
lock(&ni->file.run_lock);
lock(&mm->mmap_lock);
lock(mapping.invalidate_lock#7);
*** DEADLOCK ***
2 locks held by syz-executor.1/10408:
#0: ffff888022103430 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1745 [inline]
#0: ffff888022103430 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: vsock_connectible_sendmsg+0x210/0xde0 net/vmw_vsock/af_vsock.c:1763
#1: ffff888020d09058 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#1: ffff888020d09058 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5304 [inline]
#1: ffff888020d09058 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x2e/0x2e0 mm/memory.c:5366
stack backtrace:
CPU: 1 PID: 10408 Comm: syz-executor.1 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
check_noncircular+0x2fa/0x3b0 kernel/locking/lockdep.c:2170
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_read+0xad/0xa30 kernel/locking/rwsem.c:1520
filemap_invalidate_lock_shared include/linux/fs.h:813 [inline]
filemap_fault+0x640/0x17e0 mm/filemap.c:3191
__do_fault+0x136/0x4f0 mm/memory.c:4261
do_read_fault mm/memory.c:4612 [inline]
do_fault mm/memory.c:4741 [inline]
handle_pte_fault mm/memory.c:5013 [inline]
__handle_mm_fault mm/memory.c:5155 [inline]
handle_mm_fault+0x3412/0x5340 mm/memory.c:5276
do_user_addr_fault arch/x86/mm/fault.c:1371 [inline]
handle_page_fault arch/x86/mm/fault.c:1462 [inline]
exc_page_fault+0x26f/0x660 arch/x86/mm/fault.c:1518
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:copy_user_enhanced_fast_string+0xa/0x40 arch/x86/lib/copy_user_64.S:166
Code: ff c9 75 f2 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 8d 0c ca 89 ca eb 20 0f 01 cb 83 fa 40 72 38 89 d1 <f3> a4 31 c0 0f 01 ca c3 89 ca eb 0a 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc900091ff470 EFLAGS: 00050206
RAX: ffffffff84361401 RBX: 00007ffffffef000 RCX: 0000000000008080
RDX: 0000000000010000 RSI: 0000000020008000 RDI: ffff8880605e7fac
RBP: ffffc900091ff5f0 R08: dffffc0000000000 R09: ffffed100c0be006
R10: 0000000000000006 R11: dffffc0000000001 R12: 0000000000010000
R13: 0000000000000000 R14: ffff8880605e002c R15: 0000000020000080
copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:52 [inline]
copyin+0xd8/0x120 lib/iov_iter.c:183
_copy_from_iter+0x493/0xff0 lib/iov_iter.c:631
copy_from_iter include/linux/uio.h:187 [inline]
copy_from_iter_full include/linux/uio.h:194 [inline]
memcpy_from_msg include/linux/skbuff.h:3989 [inline]
virtio_transport_alloc_skb+0x4b0/0x1220 net/vmw_vsock/virtio_transport_common.c:76
virtio_transport_send_pkt_info+0x2d4/0x6f0 net/vmw_vsock/virtio_transport_common.c:237
virtio_transport_stream_enqueue+0x151/0x1f0 net/vmw_vsock/virtio_transport_common.c:821
vsock_connectible_sendmsg+0xa01/0xde0 net/vmw_vsock/af_vsock.c:1864
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
sock_write_iter+0x394/0x4e0 net/socket.c:1143
do_iter_write+0x6e6/0xc50 fs/read_write.c:861
vfs_writev fs/read_write.c:934 [inline]
do_writev+0x27b/0x460 fs/read_write.c:977
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5141e7dea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5142b830c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f5141fabf80 RCX: 00007f5141e7dea9
RDX: 0000000000000002 RSI: 00000000200002c0 RDI: 0000000000000009
RBP: 00007f5141eca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5141fabf80 R15: 00007ffe34e0e0c8
</TASK>
----------------
Code disassembly (best guess):
0: ff c9 dec %ecx
2: 75 f2 jne 0xfffffff6
4: 89 d1 mov %edx,%ecx
6: c1 e9 03 shr $0x3,%ecx
9: 83 e2 07 and $0x7,%edx
c: f3 48 a5 rep movsq %ds:(%rsi),%es:(%rdi)
f: 89 d1 mov %edx,%ecx
11: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
13: 31 c0 xor %eax,%eax
15: 0f 01 ca clac
18: c3 ret
19: 8d 0c ca lea (%rdx,%rcx,8),%ecx
1c: 89 ca mov %ecx,%edx
1e: eb 20 jmp 0x40
20: 0f 01 cb stac
23: 83 fa 40 cmp $0x40,%edx
26: 72 38 jb 0x60
28: 89 d1 mov %edx,%ecx
* 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction
2c: 31 c0 xor %eax,%eax
2e: 0f 01 ca clac
31: c3 ret
32: 89 ca mov %ecx,%edx
34: eb 0a jmp 0x40
36: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
3d: 00 00 00