Warning: Permanently added '[localhost]:12264' (ED25519) to the list of known hosts. executing program [ 84.890300][ T5099] loop0: detected capacity change from 0 to 32768 [ 84.966542][ T5099] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,compression=zstd,no_splitbrain_check [ 84.971364][ T5099] [ 84.972362][ T5099] ============================================ [ 84.974821][ T5099] WARNING: possible recursive locking detected [ 84.976946][ T5099] 6.11.0-syzkaller-12113-ge7ed34365879 #0 Not tainted [ 84.979162][ T5099] -------------------------------------------- [ 84.981177][ T5099] syz-executor119/5099 is trying to acquire lock: [ 84.983250][ T5099] ffff888045000908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 84.987165][ T5099] [ 84.987165][ T5099] but task is already holding lock: [ 84.989658][ T5099] ffff888045000908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 84.994153][ T5099] [ 84.994153][ T5099] other info that might help us debug this: [ 84.997254][ T5099] Possible unsafe locking scenario: [ 84.997254][ T5099] [ 84.999905][ T5099] CPU0 [ 85.001046][ T5099] ---- [ 85.002122][ T5099] lock(&c->sb_lock); [ 85.003613][ T5099] lock(&c->sb_lock); [ 85.005245][ T5099] [ 85.005245][ T5099] *** DEADLOCK *** [ 85.005245][ T5099] [ 85.008321][ T5099] May be due to missing lock nesting notation [ 85.008321][ T5099] [ 85.011379][ T5099] 2 locks held by syz-executor119/5099: [ 85.013441][ T5099] #0: ffff888045000278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 85.016952][ T5099] #1: ffff888045000908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 85.020508][ T5099] [ 85.020508][ T5099] stack backtrace: [ 85.022558][ T5099] CPU: 0 UID: 0 PID: 5099 Comm: syz-executor119 Not tainted 6.11.0-syzkaller-12113-ge7ed34365879 #0 [ 85.026352][ T5099] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.030396][ T5099] Call Trace: [ 85.031707][ T5099] [ 85.032762][ T5099] dump_stack_lvl+0x241/0x360 [ 85.034421][ T5099] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.036275][ T5099] ? __pfx__printk+0x10/0x10 [ 85.037914][ T5099] ? lockdep_unlock+0x16a/0x300 [ 85.039649][ T5099] print_deadlock_bug+0x483/0x620 [ 85.041262][ T5099] validate_chain+0x15e2/0x5920 [ 85.042537][ T5099] ? __pfx___bfs+0x10/0x10 [ 85.043945][ T5099] ? __pfx_validate_chain+0x10/0x10 [ 85.045611][ T5099] ? mark_lock+0x9a/0x360 [ 85.047034][ T5099] ? __lock_acquire+0x1384/0x2050 [ 85.048889][ T5099] ? mark_lock+0x9a/0x360 [ 85.050405][ T5099] __lock_acquire+0x1384/0x2050 [ 85.052160][ T5099] lock_acquire+0x1ed/0x550 [ 85.053838][ T5099] ? bch2_replicas_entry_validate+0x2a/0x80 [ 85.055655][ T5099] ? __pfx_lock_acquire+0x10/0x10 [ 85.057112][ T5099] ? lockdep_hardirqs_on+0x99/0x150 [ 85.058663][ T5099] ? __pfx___might_resched+0x10/0x10 [ 85.060397][ T5099] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 85.062244][ T5099] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 85.064437][ T5099] ? stack_trace_save+0x118/0x1d0 [ 85.066014][ T5099] __mutex_lock+0x136/0xd70 [ 85.067488][ T5099] ? bch2_replicas_entry_validate+0x2a/0x80 [ 85.069247][ T5099] ? kasan_save_track+0x51/0x80 [ 85.071014][ T5099] ? kasan_save_track+0x3f/0x80 [ 85.073022][ T5099] ? __kasan_kmalloc+0x98/0xb0 [ 85.075018][ T5099] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 85.078008][ T5099] ? kmemdup_noprof+0x2a/0x60 [ 85.080140][ T5099] ? bch2_read_superblock_clean+0xd6/0x520 [ 85.082394][ T5099] ? bch2_replicas_entry_validate+0x2a/0x80 [ 85.084664][ T5099] ? bch2_fs_start+0x356/0x5b0 [ 85.086488][ T5099] ? __pfx___mutex_lock+0x10/0x10 [ 85.088548][ T5099] ? do_syscall_64+0xf3/0x230 [ 85.090347][ T5099] bch2_replicas_entry_validate+0x2a/0x80 [ 85.092543][ T5099] journal_entry_data_usage_validate+0x2b6/0x690 [ 85.094930][ T5099] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 85.097549][ T5099] ? journal_entry_usage_validate+0xc2/0x360 [ 85.099741][ T5099] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 85.101983][ T5099] ? rcu_is_watching+0x15/0xb0 [ 85.103789][ T5099] ? trace_kmalloc+0x1f/0xd0 [ 85.105433][ T5099] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 85.107713][ T5099] ? kmemdup_noprof+0x45/0x60 [ 85.109422][ T5099] ? bch2_journal_entry_validate+0x6a/0xf0 [ 85.111412][ T5099] bch2_read_superblock_clean+0x207/0x520 [ 85.113463][ T5099] bch2_fs_recovery+0x1f4/0x39c0 [ 85.115295][ T5099] ? mark_lock+0x9a/0x360 [ 85.116917][ T5099] ? __lock_acquire+0x1384/0x2050 [ 85.118694][ T5099] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 85.120595][ T5099] ? __pfx_lock_release+0x10/0x10 [ 85.122429][ T5099] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 85.124519][ T5099] ? __pfx_lock_release+0x10/0x10 [ 85.126353][ T5099] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 85.128372][ T5099] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 85.130193][ T5099] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 85.132215][ T5099] ? llist_reverse_order+0x72/0x90 [ 85.133997][ T5099] bch2_fs_start+0x356/0x5b0 [ 85.135848][ T5099] bch2_fs_get_tree+0xd68/0x1710 [ 85.137583][ T5099] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 85.139555][ T5099] ? generic_parse_monolithic+0x387/0x400 [ 85.141608][ T5099] ? apparmor_capable+0x13b/0x1b0 [ 85.143520][ T5099] vfs_get_tree+0x90/0x2b0 [ 85.145257][ T5099] do_new_mount+0x2be/0xb40 [ 85.146779][ T5099] ? __pfx_do_new_mount+0x10/0x10 [ 85.148634][ T5099] __se_sys_mount+0x2d6/0x3c0 [ 85.150328][ T5099] ? __pfx___se_sys_mount+0x10/0x10 [ 85.152109][ T5099] ? do_syscall_64+0x100/0x230 [ 85.153717][ T5099] ? __x64_sys_mount+0x20/0xc0 [ 85.155315][ T5099] do_syscall_64+0xf3/0x230 [ 85.156933][ T5099] ? clear_bhb_loop+0x35/0x90 [ 85.158526][ T5099] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.160531][ T5099] RIP: 0033:0x7f59063f622a [ 85.161939][ T5099] 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 [ 85.167951][ T5099] RSP: 002b:00007fff2e0bfe18 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 85.170683][ T5099] RAX: ffffffffffffffda RBX: 00007fff2e0bfe30 RCX: 00007f59063f622a [ 85.173252][ T5099] RDX: 0000000020005d80 RSI: 0000000020005dc0 RDI: 00007fff2e0bfe30 [ 85.175959][ T5099] RBP: 0000000000000004 R08: 00007fff2e0bfe70 R09: 0000000000005d7b [ 85.178374][ T5099] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000 [ 85.181124][ T5099] R13: 00007fff2e0bfe70 R14: 0000000000000003 R15: 0000000001000000 [ 85.184016][ T5099] [ 91.586107][ T9] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 20:10:34 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000063 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000179e570 R8 =ffffffff8549699b R9 =1ffff11006637046 R10=dffffc0000000000 R11=ffffffff85496950 R12=dffffc0000000000 R13=ffffffff9a40cf3a R14=0000000000000063 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 000055555a28e380 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=000055978800d0d0 CR3=0000000035a12000 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 00007fff2e0bffb0 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f590647a620 00007f590646e5d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f5906460084 00007f5906473240 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