Warning: Permanently added '[localhost]:56494' (ED25519) to the list of known hosts. executing program [ 85.238223][ T5101] loop0: detected capacity change from 0 to 32768 [ 85.353876][ T5101] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=crc64,data_checksum=none,compression=lz4,nojournal_transaction_names [ 85.398027][ T5101] [ 85.398998][ T5101] ============================================ [ 85.401304][ T5101] WARNING: possible recursive locking detected [ 85.403613][ T5101] 6.12.0-rc1-syzkaller #0 Not tainted [ 85.406388][ T5101] -------------------------------------------- [ 85.408640][ T5101] syz-executor135/5101 is trying to acquire lock: [ 85.411146][ T5101] ffff888040e80908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 85.415058][ T5101] [ 85.415058][ T5101] but task is already holding lock: [ 85.417908][ T5101] ffff888040e80908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 85.421499][ T5101] [ 85.421499][ T5101] other info that might help us debug this: [ 85.424585][ T5101] Possible unsafe locking scenario: [ 85.424585][ T5101] [ 85.427476][ T5101] CPU0 [ 85.428800][ T5101] ---- [ 85.430090][ T5101] lock(&c->sb_lock); [ 85.431699][ T5101] lock(&c->sb_lock); [ 85.433297][ T5101] [ 85.433297][ T5101] *** DEADLOCK *** [ 85.433297][ T5101] [ 85.436465][ T5101] May be due to missing lock nesting notation [ 85.436465][ T5101] [ 85.439643][ T5101] 2 locks held by syz-executor135/5101: [ 85.441697][ T5101] #0: ffff888040e80278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 85.445250][ T5101] #1: ffff888040e80908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 85.449168][ T5101] [ 85.449168][ T5101] stack backtrace: [ 85.451457][ T5101] CPU: 0 UID: 0 PID: 5101 Comm: syz-executor135 Not tainted 6.12.0-rc1-syzkaller #0 [ 85.455063][ T5101] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.459052][ T5101] Call Trace: [ 85.460339][ T5101] [ 85.461502][ T5101] dump_stack_lvl+0x241/0x360 [ 85.463388][ T5101] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.465401][ T5101] ? __pfx__printk+0x10/0x10 [ 85.467212][ T5101] ? lockdep_unlock+0x16a/0x300 [ 85.469149][ T5101] print_deadlock_bug+0x483/0x620 [ 85.471139][ T5101] validate_chain+0x15e2/0x5920 [ 85.473019][ T5101] ? __pfx___bfs+0x10/0x10 [ 85.474768][ T5101] ? __pfx_validate_chain+0x10/0x10 [ 85.476800][ T5101] ? mark_lock+0x9a/0x360 [ 85.478516][ T5101] ? __lock_acquire+0x1384/0x2050 [ 85.480481][ T5101] ? mark_lock+0x9a/0x360 [ 85.482200][ T5101] __lock_acquire+0x1384/0x2050 [ 85.484125][ T5101] lock_acquire+0x1ed/0x550 [ 85.485936][ T5101] ? bch2_replicas_entry_validate+0x2a/0x80 [ 85.488291][ T5101] ? __pfx_lock_acquire+0x10/0x10 [ 85.490261][ T5101] ? lockdep_hardirqs_on+0x99/0x150 [ 85.492148][ T5101] ? __pfx___might_resched+0x10/0x10 [ 85.494055][ T5101] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 85.496301][ T5101] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 85.498782][ T5101] ? stack_trace_save+0x118/0x1d0 [ 85.500751][ T5101] __mutex_lock+0x136/0xd70 [ 85.502550][ T5101] ? bch2_replicas_entry_validate+0x2a/0x80 [ 85.504878][ T5101] ? kasan_save_track+0x51/0x80 [ 85.506814][ T5101] ? kasan_save_track+0x3f/0x80 [ 85.508711][ T5101] ? __kasan_kmalloc+0x98/0xb0 [ 85.510629][ T5101] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 85.513056][ T5101] ? kmemdup_noprof+0x2a/0x60 [ 85.514920][ T5101] ? bch2_read_superblock_clean+0xd6/0x520 [ 85.517265][ T5101] ? bch2_replicas_entry_validate+0x2a/0x80 [ 85.519522][ T5101] ? bch2_fs_start+0x356/0x5b0 [ 85.521353][ T5101] ? __pfx___mutex_lock+0x10/0x10 [ 85.523331][ T5101] ? do_syscall_64+0xf3/0x230 [ 85.525185][ T5101] bch2_replicas_entry_validate+0x2a/0x80 [ 85.527428][ T5101] journal_entry_data_usage_validate+0x2b6/0x690 [ 85.529889][ T5101] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 85.532533][ T5101] ? journal_entry_usage_validate+0xc2/0x360 [ 85.534872][ T5101] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 85.537381][ T5101] ? rcu_is_watching+0x15/0xb0 [ 85.539271][ T5101] ? trace_kmalloc+0x1f/0xd0 [ 85.541059][ T5101] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 85.543572][ T5101] ? kmemdup_noprof+0x45/0x60 [ 85.545439][ T5101] ? bch2_journal_entry_validate+0x6a/0xf0 [ 85.547747][ T5101] bch2_read_superblock_clean+0x207/0x520 [ 85.549941][ T5101] bch2_fs_recovery+0x1f4/0x39c0 [ 85.551774][ T5101] ? mark_lock+0x9a/0x360 [ 85.553427][ T5101] ? __lock_acquire+0x1384/0x2050 [ 85.555404][ T5101] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 85.557444][ T5101] ? __pfx_lock_release+0x10/0x10 [ 85.559425][ T5101] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 85.561496][ T5101] ? __pfx_lock_release+0x10/0x10 [ 85.563325][ T5101] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 85.565287][ T5101] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 85.567312][ T5101] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 85.569291][ T5101] ? llist_reverse_order+0x72/0x90 [ 85.571232][ T5101] bch2_fs_start+0x356/0x5b0 [ 85.573048][ T5101] bch2_fs_get_tree+0xd68/0x1710 [ 85.574976][ T5101] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 85.577041][ T5101] ? generic_parse_monolithic+0x387/0x400 [ 85.579262][ T5101] ? apparmor_capable+0x13b/0x1b0 [ 85.581176][ T5101] vfs_get_tree+0x90/0x2b0 [ 85.582940][ T5101] do_new_mount+0x2be/0xb40 [ 85.584646][ T5101] ? __pfx_do_new_mount+0x10/0x10 [ 85.586647][ T5101] __se_sys_mount+0x2d6/0x3c0 [ 85.588516][ T5101] ? __pfx___se_sys_mount+0x10/0x10 [ 85.590562][ T5101] ? do_syscall_64+0x100/0x230 [ 85.592417][ T5101] ? __x64_sys_mount+0x20/0xc0 [ 85.594320][ T5101] do_syscall_64+0xf3/0x230 [ 85.596049][ T5101] ? clear_bhb_loop+0x35/0x90 [ 85.597907][ T5101] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.600189][ T5101] RIP: 0033:0x7f581457e8fa [ 85.601934][ T5101] 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 [ 85.609193][ T5101] RSP: 002b:00007fff39393f28 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 85.612356][ T5101] RAX: ffffffffffffffda RBX: 00007fff39393f40 RCX: 00007f581457e8fa [ 85.615398][ T5101] RDX: 00000000200001c0 RSI: 0000000020005900 RDI: 00007fff39393f40 [ 85.618510][ T5101] RBP: 0000000000000004 R08: 00007fff39393f80 R09: 00000000000058ff [ 85.621534][ T5101] R10: 0000000001000000 R11: 0000000000000282 R12: 0000000001000000 [ 85.624612][ T5101] R13: 00007fff39393f80 R14: 0000000000000003 R15: 0000000001000000 [ 85.627785][ T5101] [ 91.626959][ T786] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 13:01:38 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff34e2360 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003fd RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002d8e578 R8 =ffffffff854968d6 R9 =1ffff1100005c046 R10=dffffc0000000000 R11=ffffffff85496890 R12=dffffc0000000000 R13=ffffffff9a40cf00 R14=00000000000003fd R15=dffffc0000000000 RIP=ffffffff85496906 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 0000555579abe380 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=0000555f0757f578 CR3=0000000011f30000 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=00000000f8000000 Opmask01=000000000fec0000 Opmask02=000000000fffffff Opmask03=0000000000000000 Opmask04=00000000ffffffdf Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffc2c8604e0 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000ff00000000 00000000ff000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000ff000000 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 0000000000000000 00000000031f4900 44455a494c414954 494e495f43455355 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f6f742063622f73 666568636163622f 6c6175747269762f 736563697665642f ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4a4a51055c445757 440540495057055c 5744574a55484051 000f1a005b1a0f00 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000006c7463 2d30736665686361 63622f7366656863 6163622f6c617574 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000555f0757a4b0 0000555f07578580 0000000000000021 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 59647a305f474f5b 647c79303a243a78 68303e3b3a38253b 3a253e3a6e68303b ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3a2433273f397b27 697a787c69303b7e 69305f474f5b647c 69303a2433273f39 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 692054524f50202c 2064696c61696d20 0070253a20252054 524f504d49005452 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 692020520050202c 2025204f504d4900 0061253a20252000 2527204d49005452 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