loop5: detected capacity change from 0 to 4096
======================================================
WARNING: possible circular locking dependency detected
6.1.119-syzkaller #0 Not tainted
------------------------------------------------------
syz.5.493/7290 is trying to acquire lock:
ffff0000e2ffddc0 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:813 [inline]
ffff0000e2ffddc0 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_fault+0x58c/0xf7c mm/filemap.c:3219
but task is already holding lock:
ffff0000cf6d9348 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
ffff0000cf6d9348 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5320 [inline]
ffff0000cf6d9348 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x38/0x2e8 mm/memory.c:5382
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&mm->mmap_lock){++++}-{3:3}:
__might_fault+0xc4/0x124 mm/memory.c:5851
_copy_to_user include/linux/uaccess.h:143 [inline]
copy_to_user include/linux/uaccess.h:169 [inline]
ni_fiemap+0x1134/0x1444 fs/ntfs3/frecord.c:2140
ntfs_fiemap+0x110/0x168 fs/ntfs3/file.c:1254
ioctl_fiemap fs/ioctl.c:219 [inline]
do_vfs_ioctl+0x194c/0x26f8 fs/ioctl.c:810
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
-> #1 (&ni->ni_lock/5){+.+.}-{3:3}:
__mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
ni_lock fs/ntfs3/ntfs_fs.h:1101 [inline]
ntfs_read_folio+0x140/0x1c0 fs/ntfs3/inode.c:727
filemap_read_folio+0x14c/0x39c mm/filemap.c:2489
filemap_create_folio mm/filemap.c:2618 [inline]
filemap_get_pages mm/filemap.c:2671 [inline]
filemap_read+0xd74/0x2260 mm/filemap.c:2758
generic_file_read_iter+0xa0/0x450 mm/filemap.c:2913
ntfs_file_read_iter+0x184/0x1e0 fs/ntfs3/file.c:852
call_read_iter include/linux/fs.h:2259 [inline]
generic_file_splice_read+0x1e0/0x508 fs/splice.c:308
do_splice_to fs/splice.c:803 [inline]
splice_direct_to_actor+0x30c/0x9b4 fs/splice.c:875
do_splice_direct+0x20c/0x348 fs/splice.c:1002
do_sendfile+0x4c0/0xcb0 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1323 [inline]
__se_sys_sendfile64 fs/read_write.c:1309 [inline]
__arm64_sys_sendfile64+0x160/0x3b4 fs/read_write.c:1309
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
-> #0 (mapping.invalidate_lock#4){.+.+}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049
lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
down_read+0x64/0x308 kernel/locking/rwsem.c:1520
filemap_invalidate_lock_shared include/linux/fs.h:813 [inline]
filemap_fault+0x58c/0xf7c mm/filemap.c:3219
__do_fault+0x11c/0x3d8 mm/memory.c:4278
do_read_fault mm/memory.c:4629 [inline]
do_fault mm/memory.c:4758 [inline]
handle_pte_fault mm/memory.c:5029 [inline]
__handle_mm_fault mm/memory.c:5171 [inline]
handle_mm_fault+0x1ee8/0x3d38 mm/memory.c:5292
__do_page_fault arch/arm64/mm/fault.c:499 [inline]
do_page_fault+0x330/0x890 arch/arm64/mm/fault.c:583
do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:667
do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:803
el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:367
el1h_64_sync_handler+0x60/0xac arch/arm64/kernel/entry-common.c:427
el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:580
do_strncpy_from_user lib/strncpy_from_user.c:41 [inline]
strncpy_from_user+0x224/0x54c lib/strncpy_from_user.c:139
getname_flags+0x104/0x48c fs/namei.c:150
getname+0x28/0x38 fs/namei.c:218
do_sys_openat2+0xd4/0x3e0 fs/open.c:1312
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
other info that might help us debug this:
Chain exists of:
mapping.invalidate_lock#4 --> &ni->ni_lock/5 --> &mm->mmap_lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&mm->mmap_lock);
lock(&ni->ni_lock/5);
lock(&mm->mmap_lock);
lock(mapping.invalidate_lock#4);
*** DEADLOCK ***
1 lock held by syz.5.493/7290:
#0: ffff0000cf6d9348 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff0000cf6d9348 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5320 [inline]
#0: ffff0000cf6d9348 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x38/0x2e8 mm/memory.c:5382
stack backtrace:
CPU: 1 PID: 7290 Comm: syz.5.493 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2048
check_noncircular+0x2cc/0x378 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 kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049
lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
down_read+0x64/0x308 kernel/locking/rwsem.c:1520
filemap_invalidate_lock_shared include/linux/fs.h:813 [inline]
filemap_fault+0x58c/0xf7c mm/filemap.c:3219
__do_fault+0x11c/0x3d8 mm/memory.c:4278
do_read_fault mm/memory.c:4629 [inline]
do_fault mm/memory.c:4758 [inline]
handle_pte_fault mm/memory.c:5029 [inline]
__handle_mm_fault mm/memory.c:5171 [inline]
handle_mm_fault+0x1ee8/0x3d38 mm/memory.c:5292
__do_page_fault arch/arm64/mm/fault.c:499 [inline]
do_page_fault+0x330/0x890 arch/arm64/mm/fault.c:583
do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:667
do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:803
el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:367
el1h_64_sync_handler+0x60/0xac arch/arm64/kernel/entry-common.c:427
el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:580
do_strncpy_from_user lib/strncpy_from_user.c:41 [inline]
strncpy_from_user+0x224/0x54c lib/strncpy_from_user.c:139
getname_flags+0x104/0x48c fs/namei.c:150
getname+0x28/0x38 fs/namei.c:218
do_sys_openat2+0xd4/0x3e0 fs/open.c:1312
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585