Warning: Permanently added '10.128.0.84' (ED25519) to the list of known hosts. executing program [ 33.340069][ T6443] loop0: detected capacity change from 0 to 4096 [ 33.344771][ T6443] ntfs3(loop0): Different NTFS sector size (2048) and media sector size (512). [ 33.368944][ T6443] ntfs3(loop0): Failed to initialize $Extend/$ObjId. [ 33.377488][ T6443] [ 33.378098][ T6443] ====================================================== [ 33.379915][ T6443] WARNING: possible circular locking dependency detected [ 33.381698][ T6443] 6.14.0-rc7-syzkaller-ga2392f333575 #0 Not tainted [ 33.383437][ T6443] ------------------------------------------------------ [ 33.385260][ T6443] syz-executor212/6443 is trying to acquire lock: [ 33.386882][ T6443] ffff0000c6be0a50 (&mm->mmap_lock){++++}-{4:4}, at: __might_fault+0x9c/0x124 [ 33.389224][ T6443] [ 33.389224][ T6443] but task is already holding lock: [ 33.391117][ T6443] ffff0000db7f7680 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ntfs_fiemap+0xec/0x168 [ 33.393446][ T6443] [ 33.393446][ T6443] which lock already depends on the new lock. [ 33.393446][ T6443] [ 33.396144][ T6443] [ 33.396144][ T6443] the existing dependency chain (in reverse order) is: [ 33.398471][ T6443] [ 33.398471][ T6443] -> #2 (&ni->ni_lock#2/5){+.+.}-{4:4}: [ 33.400468][ T6443] __mutex_lock_common+0x1f0/0x24b8 [ 33.401945][ T6443] mutex_lock_nested+0x2c/0x38 [ 33.403302][ T6443] ntfs_fallocate+0x5b4/0xfd0 [ 33.404628][ T6443] vfs_fallocate+0x578/0x6c0 [ 33.405931][ T6443] __arm64_sys_fallocate+0xc0/0x110 [ 33.407405][ T6443] invoke_syscall+0x98/0x2b8 [ 33.408732][ T6443] el0_svc_common+0x130/0x23c [ 33.410086][ T6443] do_el0_svc+0x48/0x58 [ 33.411310][ T6443] el0_svc+0x54/0x168 [ 33.412479][ T6443] el0t_64_sync_handler+0x84/0x108 [ 33.413930][ T6443] el0t_64_sync+0x198/0x19c [ 33.415241][ T6443] [ 33.415241][ T6443] -> #1 (&sb->s_type->i_mutex_key#16){+.+.}-{4:4}: [ 33.417507][ T6443] down_write+0x50/0xc0 [ 33.418707][ T6443] ntfs_file_mmap+0x48c/0x6b8 [ 33.420051][ T6443] mmap_region+0x1ae0/0x2518 [ 33.421383][ T6443] do_mmap+0xbc8/0x1150 [ 33.422607][ T6443] vm_mmap_pgoff+0x30c/0x4ac [ 33.423925][ T6443] ksys_mmap_pgoff+0x3a4/0x5c8 [ 33.425285][ T6443] __arm64_sys_mmap+0xf8/0x110 [ 33.426646][ T6443] invoke_syscall+0x98/0x2b8 [ 33.427946][ T6443] el0_svc_common+0x130/0x23c [ 33.429307][ T6443] do_el0_svc+0x48/0x58 [ 33.430517][ T6443] el0_svc+0x54/0x168 [ 33.431730][ T6443] el0t_64_sync_handler+0x84/0x108 [ 33.433231][ T6443] el0t_64_sync+0x198/0x19c [ 33.434559][ T6443] [ 33.434559][ T6443] -> #0 (&mm->mmap_lock){++++}-{4:4}: [ 33.436553][ T6443] __lock_acquire+0x34f0/0x7904 [ 33.437975][ T6443] lock_acquire+0x23c/0x724 [ 33.439290][ T6443] __might_fault+0xc4/0x124 [ 33.440609][ T6443] fiemap_fill_next_extent+0x1d0/0x45c [ 33.442160][ T6443] ni_fiemap+0xc1c/0xe20 [ 33.443469][ T6443] ntfs_fiemap+0x110/0x168 [ 33.444793][ T6443] do_vfs_ioctl+0x1b28/0x2724 [ 33.446144][ T6443] __arm64_sys_ioctl+0xe4/0x1cc [ 33.447553][ T6443] invoke_syscall+0x98/0x2b8 [ 33.448881][ T6443] el0_svc_common+0x130/0x23c [ 33.450245][ T6443] do_el0_svc+0x48/0x58 [ 33.451474][ T6443] el0_svc+0x54/0x168 [ 33.452657][ T6443] el0t_64_sync_handler+0x84/0x108 [ 33.454115][ T6443] el0t_64_sync+0x198/0x19c [ 33.455445][ T6443] [ 33.455445][ T6443] other info that might help us debug this: [ 33.455445][ T6443] [ 33.458140][ T6443] Chain exists of: [ 33.458140][ T6443] &mm->mmap_lock --> &sb->s_type->i_mutex_key#16 --> &ni->ni_lock#2/5 [ 33.458140][ T6443] [ 33.461926][ T6443] Possible unsafe locking scenario: [ 33.461926][ T6443] [ 33.463885][ T6443] CPU0 CPU1 [ 33.465272][ T6443] ---- ---- [ 33.466799][ T6443] lock(&ni->ni_lock#2/5); [ 33.467987][ T6443] lock(&sb->s_type->i_mutex_key#16); [ 33.470105][ T6443] lock(&ni->ni_lock#2/5); [ 33.471974][ T6443] rlock(&mm->mmap_lock); [ 33.473136][ T6443] [ 33.473136][ T6443] *** DEADLOCK *** [ 33.473136][ T6443] [ 33.475336][ T6443] 1 lock held by syz-executor212/6443: [ 33.476861][ T6443] #0: ffff0000db7f7680 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ntfs_fiemap+0xec/0x168 [ 33.479391][ T6443] [ 33.479391][ T6443] stack backtrace: [ 33.480919][ T6443] CPU: 1 UID: 0 PID: 6443 Comm: syz-executor212 Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0 [ 33.480934][ T6443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 33.480941][ T6443] Call trace: [ 33.480945][ T6443] show_stack+0x2c/0x3c (C) [ 33.480962][ T6443] dump_stack_lvl+0xe4/0x150 [ 33.480977][ T6443] dump_stack+0x1c/0x28 [ 33.480990][ T6443] print_circular_bug+0x154/0x1c0 [ 33.481003][ T6443] check_noncircular+0x310/0x404 [ 33.481015][ T6443] __lock_acquire+0x34f0/0x7904 [ 33.481026][ T6443] lock_acquire+0x23c/0x724 [ 33.481037][ T6443] __might_fault+0xc4/0x124 [ 33.481050][ T6443] fiemap_fill_next_extent+0x1d0/0x45c [ 33.481062][ T6443] ni_fiemap+0xc1c/0xe20 [ 33.481075][ T6443] ntfs_fiemap+0x110/0x168 [ 33.481088][ T6443] do_vfs_ioctl+0x1b28/0x2724 [ 33.481099][ T6443] __arm64_sys_ioctl+0xe4/0x1cc [ 33.481109][ T6443] invoke_syscall+0x98/0x2b8 [ 33.481122][ T6443] el0_svc_common+0x130/0x23c [ 33.481134][ T6443] do_el0_svc+0x48/0x58 [ 33.481154][ T6443] el0_svc+0x54/0x168 [ 33.481166][ T6443] el0t_64_sync_handler+0x84/0x108 [ 33.481176][ T6443] el0t_64_sync+0x198/0x19c executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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