Warning: Permanently added '[localhost]:18946' (ED25519) to the list of known hosts. executing program [ 82.969009][ T5096] loop0: detected capacity change from 0 to 4096 [ 82.984093][ T5096] ======================================================= [ 82.984093][ T5096] WARNING: The mand mount option has been deprecated and [ 82.984093][ T5096] and is ignored by this kernel. Remove the mand [ 82.984093][ T5096] option from the mount to silence this warning. [ 82.984093][ T5096] ======================================================= [ 83.008942][ T5096] ntfs3: loop0: Different NTFS sector size (4096) and media sector size (512). [ 83.024765][ T5096] ntfs3: loop0: Mark volume as dirty due to NTFS errors [ 83.033574][ T5096] [ 83.034384][ T5096] ============================================ [ 83.036749][ T5096] WARNING: possible recursive locking detected [ 83.038955][ T5096] 6.11.0-syzkaller-04557-g2f27fce67173 #0 Not tainted [ 83.042323][ T5096] -------------------------------------------- [ 83.044642][ T5096] syz-executor717/5096 is trying to acquire lock: [ 83.047224][ T5096] ffff88801feb1e60 (&ni->ni_lock/4){+.+.}-{3:3}, at: mi_read+0x2e1/0x5a0 [ 83.050720][ T5096] [ 83.050720][ T5096] but task is already holding lock: [ 83.053625][ T5096] ffff88801feb67d0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf9/0x1f0 [ 83.057245][ T5096] [ 83.057245][ T5096] other info that might help us debug this: [ 83.060702][ T5096] Possible unsafe locking scenario: [ 83.060702][ T5096] [ 83.063713][ T5096] CPU0 [ 83.065301][ T5096] ---- [ 83.066798][ T5096] lock(&ni->ni_lock/4); [ 83.068750][ T5096] lock(&ni->ni_lock/4); [ 83.070468][ T5096] [ 83.070468][ T5096] *** DEADLOCK *** [ 83.070468][ T5096] [ 83.073451][ T5096] May be due to missing lock nesting notation [ 83.073451][ T5096] [ 83.076549][ T5096] 3 locks held by syz-executor717/5096: [ 83.078321][ T5096] #0: ffff888011f44420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 83.081161][ T5096] #1: ffff88801feb6a68 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 [ 83.084859][ T5096] #2: ffff88801feb67d0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf9/0x1f0 [ 83.088031][ T5096] [ 83.088031][ T5096] stack backtrace: [ 83.090091][ T5096] CPU: 0 UID: 0 PID: 5096 Comm: syz-executor717 Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0 [ 83.093709][ T5096] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 83.097453][ T5096] Call Trace: [ 83.098690][ T5096] <TASK> [ 83.099816][ T5096] dump_stack_lvl+0x241/0x360 [ 83.101539][ T5096] ? __pfx_dump_stack_lvl+0x10/0x10 [ 83.103452][ T5096] ? __pfx__printk+0x10/0x10 [ 83.105251][ T5096] ? lockdep_unlock+0x16a/0x300 [ 83.107175][ T5096] print_deadlock_bug+0x483/0x620 [ 83.109102][ T5096] validate_chain+0x15e2/0x5920 [ 83.110990][ T5096] ? __pfx_validate_chain+0x10/0x10 [ 83.113038][ T5096] ? stack_trace_save+0x118/0x1d0 [ 83.115175][ T5096] ? __pfx_stack_trace_save+0x10/0x10 [ 83.117408][ T5096] ? look_up_lock_class+0x77/0x170 [ 83.119436][ T5096] ? register_lock_class+0x102/0x980 [ 83.121122][ T5096] ? __pfx_register_lock_class+0x10/0x10 [ 83.122873][ T5096] ? mark_lock+0x9a/0x360 [ 83.124330][ T5096] __lock_acquire+0x1384/0x2050 [ 83.126144][ T5096] lock_acquire+0x1ed/0x550 [ 83.127886][ T5096] ? mi_read+0x2e1/0x5a0 [ 83.129524][ T5096] ? __pfx_lock_acquire+0x10/0x10 [ 83.131480][ T5096] ? __pfx___might_resched+0x10/0x10 [ 83.133530][ T5096] ? do_syscall_64+0xf3/0x230 [ 83.135586][ T5096] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.137709][ T5096] __mutex_lock+0x136/0xd70 [ 83.139352][ T5096] ? mi_read+0x2e1/0x5a0 [ 83.140776][ T5096] ? mi_read+0x1be/0x5a0 [ 83.142153][ T5096] ? mi_read+0x2e1/0x5a0 [ 83.143628][ T5096] ? __pfx___mutex_lock+0x10/0x10 [ 83.145371][ T5096] ? __up_read+0x2c2/0x6b0 [ 83.146994][ T5096] ? __pfx___up_read+0x10/0x10 [ 83.148875][ T5096] ? mi_init+0x78/0xe0 [ 83.150499][ T5096] mi_read+0x2e1/0x5a0 [ 83.152151][ T5096] ntfs_iget5+0x482/0x3940 [ 83.153976][ T5096] ? __pfx_ntfs_iget5+0x10/0x10 [ 83.155893][ T5096] ? dir_search_u+0x16a/0x3a0 [ 83.157710][ T5096] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 83.159852][ T5096] dir_search_u+0x2fe/0x3a0 [ 83.161625][ T5096] ? __pfx_dir_search_u+0x10/0x10 [ 83.163538][ T5096] ? __pfx_ntfs_nls_to_utf16+0x10/0x10 [ 83.165579][ T5096] ? ntfs_lookup+0x51/0x1f0 [ 83.167247][ T5096] ? rcu_is_watching+0x15/0xb0 [ 83.169075][ T5096] ? ntfs_lookup+0x51/0x1f0 [ 83.170823][ T5096] ? trace_kmem_cache_alloc+0x1f/0xc0 [ 83.172859][ T5096] ? kmem_cache_alloc_noprof+0x185/0x2a0 [ 83.175092][ T5096] ntfs_lookup+0x106/0x1f0 [ 83.176832][ T5096] lookup_one_qstr_excl+0x11f/0x260 [ 83.178835][ T5096] filename_create+0x297/0x540 [ 83.180583][ T5096] ? __pfx_filename_create+0x10/0x10 [ 83.182507][ T5096] ? __pfx_lock_release+0x10/0x10 [ 83.184426][ T5096] do_mkdirat+0xbd/0x3a0 [ 83.186034][ T5096] ? __check_object_size+0x49c/0x900 [ 83.187967][ T5096] ? __might_fault+0xc6/0x120 [ 83.189707][ T5096] ? __pfx_do_mkdirat+0x10/0x10 [ 83.191476][ T5096] ? getname_flags+0x1e3/0x540 [ 83.193331][ T5096] __x64_sys_mkdirat+0x87/0xa0 [ 83.195142][ T5096] do_syscall_64+0xf3/0x230 [ 83.196912][ T5096] ? clear_bhb_loop+0x35/0x90 [ 83.198748][ T5096] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.201048][ T5096] RIP: 0033:0x7fb26d3afa99 [ 83.202807][ T5096] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 83.209730][ T5096] RSP: 002b:00007fffa11a74f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 83.212912][ T5096] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fb26d3afa99 [ 83.215709][ T5096] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 00000000ffffff9c [ 83.218533][ T5096] RBP: 00007fb26d4415f0 R08: 000055557186c4c0 R09: 000055557186c4c0 [ 83.221480][ T5096] R10: 000000000001f1ae R11: 0000000000000246 R12: 00007fffa11a7520 [ 83.224636][ T5096] R13: 00007fffa11a7748 R14: 431bde82d7b634db R15: 00007fb26d3f803b [ 83.227637][ T5096] </TASK> 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 [ 91.659351][ T787] cfg80211: failed to load regulatory.db 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 VM DIAGNOSIS: 12:28:08 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000035 RBX=ffffffff9a6d0da0 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002dfead0 R8 =ffffffff85437f0b R9 =1ffff11006671046 R10=dffffc0000000000 R11=ffffffff85437ec0 R12=dffffc0000000000 R13=ffffffff9a3cdf8c R14=0000000000000035 R15=00000000000003f8 RIP=ffffffff85437f3e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 000055557186b380 ffffffff 00c00000 GS =0000 ffff88801fe00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8972f95ed8 CR3=0000000011dd6000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=00000000ffffffff Opmask01=0000000000000000 Opmask02=000000000000001f Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffa11a6af0 00007fffa11a6ad0 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffa11a6c30 00007fffa11a6ab0 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb26d433424 00007fb26d446240 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffa11a6af0 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffa11a6c30 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffa11a6c30 00007fffa11a6ab0 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffa11a6af0 00007fffa11a6ad0 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000337366746e ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000