[ 101.888078][ T781] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.20' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 103.703338][ T5076] loop1: detected capacity change from 0 to 4096 [ 103.709050][ T5079] loop2: detected capacity change from 0 to 4096 [ 103.719670][ T5082] loop4: detected capacity change from 0 to 4096 [ 103.720257][ T5081] loop0: detected capacity change from 0 to 4096 [ 103.732524][ T5085] loop5: detected capacity change from 0 to 4096 [ 103.732774][ T5083] loop3: detected capacity change from 0 to 4096 [ 103.890169][ T5079] ntfs3: loop2: Failed to initialize $Extend/$ObjId. [ 103.907883][ T5081] ntfs3: loop0: Failed to initialize $Extend/$ObjId. [ 103.908462][ T5082] ntfs3: loop4: Failed to initialize $Extend/$ObjId. [ 103.921197][ T5076] ntfs3: loop1: Failed to initialize $Extend/$ObjId. [ 103.934970][ T5085] ntfs3: loop5: Failed to initialize $Extend/$ObjId. [ 103.949586][ T5083] ntfs3: loop3: Failed to initialize $Extend/$ObjId. [ 104.239349][ T5088] [ 104.241737][ T5088] ====================================================== [ 104.248777][ T5088] WARNING: possible circular locking dependency detected [ 104.255853][ T5088] 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted [ 104.262558][ T5088] ------------------------------------------------------ [ 104.269611][ T5088] syz-executor207/5088 is trying to acquire lock: [ 104.276050][ T5088] ffff8880796ad220 (&ni->ni_lock#2/4){+.+.}-{3:3}, at: attr_data_get_block+0x30b/0x1b70 [ 104.285942][ T5088] [ 104.285942][ T5088] but task is already holding lock: [ 104.293333][ T5088] ffff8880118e27a0 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x3c0 [ 104.302379][ T5088] [ 104.302379][ T5088] which lock already depends on the new lock. [ 104.302379][ T5088] [ 104.312831][ T5088] [ 104.312831][ T5088] the existing dependency chain (in reverse order) is: [ 104.321868][ T5088] [ 104.321868][ T5088] -> #1 (&mm->mmap_lock){++++}-{3:3}: [ 104.329487][ T5088] __might_fault+0x11b/0x190 [ 104.334668][ T5088] _copy_to_user+0x2b/0xc0 [ 104.339670][ T5088] fiemap_fill_next_extent+0x232/0x390 [ 104.345700][ T5088] ni_fiemap+0x2f2/0xc10 [ 104.350513][ T5088] ntfs_fiemap+0xc9/0x120 [ 104.355417][ T5088] do_vfs_ioctl+0x407/0x1ac0 [ 104.360579][ T5088] __x64_sys_ioctl+0x116/0x220 [ 104.365906][ T5088] do_syscall_64+0xd5/0x260 [ 104.371007][ T5088] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 104.377485][ T5088] [ 104.377485][ T5088] -> #0 (&ni->ni_lock#2/4){+.+.}-{3:3}: [ 104.385312][ T5088] __lock_acquire+0x2478/0x3b30 [ 104.390732][ T5088] lock_acquire+0x1b1/0x540 [ 104.396061][ T5088] __mutex_lock+0x175/0x9c0 [ 104.401145][ T5088] attr_data_get_block+0x30b/0x1b70 [ 104.406917][ T5088] ntfs_file_mmap+0x5a1/0x7e0 [ 104.412444][ T5088] mmap_region+0x74a/0x2aa0 [ 104.417509][ T5088] do_mmap+0x8ae/0xf10 [ 104.422136][ T5088] vm_mmap_pgoff+0x1ab/0x3c0 [ 104.427302][ T5088] ksys_mmap_pgoff+0x425/0x5b0 [ 104.432645][ T5088] __x64_sys_mmap+0x125/0x190 [ 104.437884][ T5088] do_syscall_64+0xd5/0x260 [ 104.442971][ T5088] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 104.449444][ T5088] [ 104.449444][ T5088] other info that might help us debug this: [ 104.449444][ T5088] [ 104.459688][ T5088] Possible unsafe locking scenario: [ 104.459688][ T5088] [ 104.467156][ T5088] CPU0 CPU1 [ 104.472537][ T5088] ---- ---- [ 104.477923][ T5088] lock(&mm->mmap_lock); [ 104.482371][ T5088] lock(&ni->ni_lock#2/4); executing program [ 104.489455][ T5088] lock(&mm->mmap_lock); [ 104.496428][ T5088] lock(&ni->ni_lock#2/4); [ 104.500995][ T5088] [ 104.500995][ T5088] *** DEADLOCK *** [ 104.500995][ T5088] [ 104.509186][ T5088] 1 lock held by syz-executor207/5088: [ 104.514670][ T5088] #0: ffff8880118e27a0 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x3c0 [ 104.524167][ T5088] [ 104.524167][ T5088] stack backtrace: [ 104.530071][ T5088] CPU: 1 PID: 5088 Comm: syz-executor207 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 104.540181][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 104.550269][ T5088] Call Trace: [ 104.553570][ T5088] [ 104.556530][ T5088] dump_stack_lvl+0x116/0x1f0 [ 104.561281][ T5088] check_noncircular+0x31a/0x400 [ 104.566263][ T5088] ? __pfx_check_noncircular+0x10/0x10 [ 104.571770][ T5088] ? register_lock_class+0xb1/0x1230 [ 104.577112][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.582024][ T5088] ? lockdep_lock+0xc6/0x200 [ 104.586676][ T5088] ? __pfx_lockdep_lock+0x10/0x10 [ 104.591760][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.596678][ T5088] __lock_acquire+0x2478/0x3b30 [ 104.601595][ T5088] ? __pfx___lock_acquire+0x10/0x10 [ 104.606842][ T5088] lock_acquire+0x1b1/0x540 [ 104.611396][ T5088] ? attr_data_get_block+0x30b/0x1b70 [ 104.616825][ T5088] ? __pfx_lock_acquire+0x10/0x10 [ 104.621899][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.626814][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.631727][ T5088] ? __pfx___might_resched+0x10/0x10 [ 104.637067][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.641988][ T5088] __mutex_lock+0x175/0x9c0 [ 104.646552][ T5088] ? attr_data_get_block+0x30b/0x1b70 [ 104.652170][ T5088] ? __pfx_rwsem_read_trylock+0x10/0x10 [ 104.657781][ T5088] ? find_held_lock+0x2d/0x110 [ 104.662618][ T5088] ? attr_data_get_block+0x30b/0x1b70 [ 104.668055][ T5088] ? __pfx___mutex_lock+0x10/0x10 [ 104.673152][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.678081][ T5088] ? __pfx___up_read+0x10/0x10 [ 104.682908][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.687829][ T5088] ? stack_trace_save+0x95/0xd0 [ 104.692760][ T5088] ? attr_data_get_block+0x30b/0x1b70 [ 104.698194][ T5088] attr_data_get_block+0x30b/0x1b70 [ 104.703460][ T5088] ? kasan_save_stack+0x1a/0x60 [ 104.708388][ T5088] ? kasan_save_stack+0x11/0x60 [ 104.713312][ T5088] ? __kasan_slab_alloc+0x89/0x90 [ 104.718388][ T5088] ? vm_area_alloc+0x134/0x220 [ 104.723311][ T5088] ? mmap_region+0x3ae/0x2aa0 [ 104.728037][ T5088] ? do_mmap+0x8ae/0xf10 [ 104.732334][ T5088] ? vm_mmap_pgoff+0x1ab/0x3c0 [ 104.737149][ T5088] ? ksys_mmap_pgoff+0x425/0x5b0 [ 104.742160][ T5088] ? __x64_sys_mmap+0x125/0x190 [ 104.747058][ T5088] ? do_syscall_64+0xd5/0x260 [ 104.751813][ T5088] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 104.757961][ T5088] ? __pfx_attr_data_get_block+0x10/0x10 [ 104.763685][ T5088] ntfs_file_mmap+0x5a1/0x7e0 [ 104.768432][ T5088] ? __pfx_ntfs_file_mmap+0x10/0x10 [ 104.773694][ T5088] ? __raw_spin_lock_init+0x3a/0x110 [ 104.779043][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.784081][ T5088] mmap_region+0x74a/0x2aa0 executing program [ 104.788653][ T5088] ? __pfx_mmap_region+0x10/0x10 [ 104.793647][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.798571][ T5088] ? srso_return_thunk+0x5/0x5f [ 104.803494][ T5088] ? security_capable+0x98/0xd0 [ 104.808430][ T5088] do_mmap+0x8ae/0xf10 [ 104.812562][ T5088] vm_mmap_pgoff+0x1ab/0x3c0 [ 104.817218][ T5088] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 104.822387][ T5088] ? __fget_files+0x256/0x400 [ 104.827826][ T5088] ksys_mmap_pgoff+0x425/0x5b0 [ 104.832672][ T5088] __x64_sys_mmap+0x125/0x190 [ 104.837405][ T5088] do_syscall_64+0xd5/0x260 [ 104.841982][ T5088] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 104.847951][ T5088] RIP: 0033:0x7f996632f639 [ 104.852403][ T5088] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 [ 104.872066][ T5088] RSP: 002b:00007f99662c5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 104.880632][ T5088] RAX: ffffffffffffffda RBX: 00007f99663d6618 RCX: 00007f996632f639 executing program [ 104.888653][ T5088] RDX: 00000000027fffff RSI: 0000000000600000 RDI: 0000000020000000 [ 104.896665][ T5088] RBP: 00007f99663d6610 R08: 0000000000000004 R09: 0000000000000000 [ 104.904678][ T5088] R10: 0000000004002011 R11: 0000000000000246 R12: 00007f99663a2b5c [ 104.912695][ T5088] R13: 00007f99663830c0 R14: 6465646165726874 R15: 0030656c69662f2e [ 104.920720][ T5088] 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 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 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 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 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