Warning: Permanently added '[localhost]:32646' (ED25519) to the list of known hosts. executing program syzkaller login: [ 87.031374][ T5100] loop0: detected capacity change from 0 to 32768 [ 87.053428][ T5100] ======================================================= [ 87.053428][ T5100] WARNING: The mand mount option has been deprecated and [ 87.053428][ T5100] and is ignored by this kernel. Remove the mand [ 87.053428][ T5100] option from the mount to silence this warning. [ 87.053428][ T5100] ======================================================= [ 87.165208][ T5100] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,compression=zstd,norecovery,recovery_pass_last=check_dirents,nojournal_transaction_names,version_upgrade=none [ 87.172767][ T5100] [ 87.173747][ T5100] ============================================ [ 87.176019][ T5100] WARNING: possible recursive locking detected [ 87.178334][ T5100] 6.12.0-rc1-syzkaller #0 Not tainted [ 87.181745][ T5100] -------------------------------------------- [ 87.184786][ T5100] syz-executor200/5100 is trying to acquire lock: [ 87.188333][ T5100] ffff888045480908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 87.193229][ T5100] [ 87.193229][ T5100] but task is already holding lock: [ 87.196149][ T5100] ffff888045480908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 87.200038][ T5100] [ 87.200038][ T5100] other info that might help us debug this: [ 87.203201][ T5100] Possible unsafe locking scenario: [ 87.203201][ T5100] [ 87.206233][ T5100] CPU0 [ 87.207845][ T5100] ---- [ 87.209433][ T5100] lock(&c->sb_lock); [ 87.211587][ T5100] lock(&c->sb_lock); [ 87.213282][ T5100] [ 87.213282][ T5100] *** DEADLOCK *** [ 87.213282][ T5100] [ 87.216485][ T5100] May be due to missing lock nesting notation [ 87.216485][ T5100] [ 87.219806][ T5100] 2 locks held by syz-executor200/5100: [ 87.222047][ T5100] #0: ffff888045480278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 87.226899][ T5100] #1: ffff888045480908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 87.231735][ T5100] [ 87.231735][ T5100] stack backtrace: [ 87.234178][ T5100] CPU: 0 UID: 0 PID: 5100 Comm: syz-executor200 Not tainted 6.12.0-rc1-syzkaller #0 [ 87.237952][ T5100] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 87.242265][ T5100] Call Trace: [ 87.243662][ T5100] [ 87.244977][ T5100] dump_stack_lvl+0x241/0x360 [ 87.247239][ T5100] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.249572][ T5100] ? __pfx__printk+0x10/0x10 [ 87.251667][ T5100] ? lockdep_unlock+0x16a/0x300 [ 87.253711][ T5100] print_deadlock_bug+0x483/0x620 [ 87.255862][ T5100] validate_chain+0x15e2/0x5920 [ 87.257870][ T5100] ? __pfx___bfs+0x10/0x10 [ 87.259779][ T5100] ? __pfx_validate_chain+0x10/0x10 [ 87.262275][ T5100] ? mark_lock+0x9a/0x360 [ 87.264091][ T5100] ? __lock_acquire+0x1384/0x2050 [ 87.266139][ T5100] ? mark_lock+0x9a/0x360 [ 87.267851][ T5100] __lock_acquire+0x1384/0x2050 [ 87.269614][ T5100] lock_acquire+0x1ed/0x550 [ 87.271340][ T5100] ? bch2_replicas_entry_validate+0x2a/0x80 [ 87.273509][ T5100] ? __pfx_lock_acquire+0x10/0x10 [ 87.275399][ T5100] ? lockdep_hardirqs_on+0x99/0x150 [ 87.277467][ T5100] ? __pfx___might_resched+0x10/0x10 [ 87.279857][ T5100] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 87.282618][ T5100] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 87.285620][ T5100] ? stack_trace_save+0x118/0x1d0 [ 87.287797][ T5100] __mutex_lock+0x136/0xd70 [ 87.289734][ T5100] ? bch2_replicas_entry_validate+0x2a/0x80 [ 87.292250][ T5100] ? kasan_save_track+0x51/0x80 [ 87.294258][ T5100] ? kasan_save_track+0x3f/0x80 [ 87.296354][ T5100] ? __kasan_kmalloc+0x98/0xb0 [ 87.298436][ T5100] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 87.301633][ T5100] ? kmemdup_noprof+0x2a/0x60 [ 87.303870][ T5100] ? bch2_read_superblock_clean+0xd6/0x520 [ 87.306215][ T5100] ? bch2_replicas_entry_validate+0x2a/0x80 [ 87.308761][ T5100] ? bch2_fs_start+0x356/0x5b0 [ 87.310724][ T5100] ? __pfx___mutex_lock+0x10/0x10 [ 87.312791][ T5100] ? do_syscall_64+0xf3/0x230 [ 87.314787][ T5100] bch2_replicas_entry_validate+0x2a/0x80 [ 87.317429][ T5100] journal_entry_data_usage_validate+0x2b6/0x690 [ 87.320591][ T5100] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 87.323415][ T5100] ? journal_entry_usage_validate+0xc2/0x360 [ 87.325836][ T5100] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 87.328421][ T5100] ? rcu_is_watching+0x15/0xb0 [ 87.330396][ T5100] ? trace_kmalloc+0x1f/0xd0 [ 87.332481][ T5100] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 87.335780][ T5100] ? kmemdup_noprof+0x45/0x60 [ 87.338068][ T5100] ? bch2_journal_entry_validate+0x6a/0xf0 [ 87.340479][ T5100] bch2_read_superblock_clean+0x207/0x520 [ 87.342787][ T5100] bch2_fs_recovery+0x1f4/0x39c0 [ 87.344806][ T5100] ? mark_lock+0x9a/0x360 [ 87.346545][ T5100] ? __lock_acquire+0x1384/0x2050 [ 87.348606][ T5100] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 87.350759][ T5100] ? __pfx_lock_release+0x10/0x10 [ 87.352751][ T5100] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 87.354876][ T5100] ? __pfx_lock_release+0x10/0x10 [ 87.356821][ T5100] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 87.359328][ T5100] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 87.362299][ T5100] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 87.365492][ T5100] ? llist_reverse_order+0x72/0x90 [ 87.367687][ T5100] bch2_fs_start+0x356/0x5b0 [ 87.369529][ T5100] bch2_fs_get_tree+0xd68/0x1710 [ 87.371542][ T5100] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 87.373676][ T5100] ? generic_parse_monolithic+0x387/0x400 [ 87.375949][ T5100] ? apparmor_capable+0x13b/0x1b0 [ 87.377970][ T5100] vfs_get_tree+0x90/0x2b0 [ 87.379771][ T5100] do_new_mount+0x2be/0xb40 [ 87.381649][ T5100] ? __pfx_do_new_mount+0x10/0x10 [ 87.383725][ T5100] __se_sys_mount+0x2d6/0x3c0 [ 87.385861][ T5100] ? __pfx___se_sys_mount+0x10/0x10 [ 87.388526][ T5100] ? do_syscall_64+0x100/0x230 [ 87.390804][ T5100] ? __x64_sys_mount+0x20/0xc0 [ 87.392913][ T5100] do_syscall_64+0xf3/0x230 [ 87.394718][ T5100] ? clear_bhb_loop+0x35/0x90 [ 87.396797][ T5100] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.399310][ T5100] RIP: 0033:0x7ff4723a81ea [ 87.401169][ T5100] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 87.409087][ T5100] RSP: 002b:00007ffdfcc7bfa8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 87.412650][ T5100] RAX: ffffffffffffffda RBX: 00007ffdfcc7bfc0 RCX: 00007ff4723a81ea [ 87.415863][ T5100] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffdfcc7bfc0 [ 87.419021][ T5100] RBP: 0000000000000004 R08: 00007ffdfcc7c000 R09: 0000000000005daf [ 87.422666][ T5100] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 87.426475][ T5100] R13: 00007ffdfcc7c000 R14: 0000000000000003 R15: 0000000001000000 [ 87.429656][ T5100] [ 91.702747][ T9] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 13:43:00 Registers: info registers vcpu 0 CPU#0 RAX=000000000000007a RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002d5e570 R8 =ffffffff8549699b R9 =1ffff11003dc0046 R10=dffffc0000000000 R11=ffffffff85496950 R12=dffffc0000000000 R13=ffffffff9a40cf05 R14=000000000000007a R15=00000000000003f8 RIP=ffffffff854969ce 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 0000555564d0d380 ffffffff 00c00000 GS =0000 ffff88801fc00000 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=000055e128dc07d8 CR3=00000000402ba000 CR4=00352ef0 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=0000000000440401 Opmask01=0000000000000001 Opmask02=00000000fff7ffff 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 00007ffdfcc7c140 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ff47242c620 00007ff4724205d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ff472412044 00007ff472425240 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 65723d73726f7272 6500747865003036 36396f7369007265 6c6c616b7a797300 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40571856574a5757 4000515d40001513 131c4a564c005740 4949444e5f5c5600 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