Warning: Permanently added '[localhost]:10613' (ED25519) to the list of known hosts. executing program [ 88.324325][ T5095] loop0: detected capacity change from 0 to 32768 [ 88.425557][ T5095] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=compression=lz4,nojournal_transaction_names [ 88.431347][ T5095] [ 88.432349][ T5095] ============================================ [ 88.434782][ T5095] WARNING: possible recursive locking detected [ 88.437182][ T5095] 6.12.0-rc3-syzkaller-00007-g6485cf5ea253 #0 Not tainted [ 88.441026][ T5095] -------------------------------------------- [ 88.445001][ T5095] syz-executor809/5095 is trying to acquire lock: [ 88.447954][ T5095] ffff888046080908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 88.451855][ T5095] [ 88.451855][ T5095] but task is already holding lock: [ 88.454762][ T5095] ffff888046080908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 88.458390][ T5095] [ 88.458390][ T5095] other info that might help us debug this: [ 88.461978][ T5095] Possible unsafe locking scenario: [ 88.461978][ T5095] [ 88.465796][ T5095] CPU0 [ 88.467482][ T5095] ---- [ 88.468886][ T5095] lock(&c->sb_lock); [ 88.470504][ T5095] lock(&c->sb_lock); [ 88.472072][ T5095] [ 88.472072][ T5095] *** DEADLOCK *** [ 88.472072][ T5095] [ 88.475219][ T5095] May be due to missing lock nesting notation [ 88.475219][ T5095] [ 88.478258][ T5095] 2 locks held by syz-executor809/5095: [ 88.480334][ T5095] #0: ffff888046080278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 88.484536][ T5095] #1: ffff888046080908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 88.489441][ T5095] [ 88.489441][ T5095] stack backtrace: [ 88.491921][ T5095] CPU: 0 UID: 0 PID: 5095 Comm: syz-executor809 Not tainted 6.12.0-rc3-syzkaller-00007-g6485cf5ea253 #0 [ 88.495988][ T5095] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.499995][ T5095] Call Trace: [ 88.501281][ T5095] [ 88.502440][ T5095] dump_stack_lvl+0x241/0x360 [ 88.504612][ T5095] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.507222][ T5095] ? __pfx__printk+0x10/0x10 [ 88.509928][ T5095] ? lockdep_unlock+0x16a/0x300 [ 88.512229][ T5095] print_deadlock_bug+0x483/0x620 [ 88.514024][ T5095] validate_chain+0x15e2/0x5920 [ 88.515728][ T5095] ? __pfx___bfs+0x10/0x10 [ 88.517298][ T5095] ? __pfx_validate_chain+0x10/0x10 [ 88.519339][ T5095] ? mark_lock+0x9a/0x360 [ 88.521018][ T5095] ? __lock_acquire+0x1384/0x2050 [ 88.522881][ T5095] ? mark_lock+0x9a/0x360 [ 88.524566][ T5095] __lock_acquire+0x1384/0x2050 [ 88.526974][ T5095] lock_acquire+0x1ed/0x550 [ 88.529598][ T5095] ? bch2_replicas_entry_validate+0x2a/0x80 [ 88.532638][ T5095] ? __pfx_lock_acquire+0x10/0x10 [ 88.534450][ T5095] ? lockdep_hardirqs_on+0x99/0x150 [ 88.536247][ T5095] ? __pfx___might_resched+0x10/0x10 [ 88.538009][ T5095] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 88.540375][ T5095] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 88.543030][ T5095] ? stack_trace_save+0x118/0x1d0 [ 88.545138][ T5095] __mutex_lock+0x136/0xd70 [ 88.546942][ T5095] ? bch2_replicas_entry_validate+0x2a/0x80 [ 88.549483][ T5095] ? kasan_save_track+0x51/0x80 [ 88.551689][ T5095] ? kasan_save_track+0x3f/0x80 [ 88.553994][ T5095] ? __kasan_kmalloc+0x98/0xb0 [ 88.556538][ T5095] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 88.559372][ T5095] ? kmemdup_noprof+0x2a/0x60 [ 88.561097][ T5095] ? bch2_read_superblock_clean+0xd6/0x520 [ 88.563412][ T5095] ? bch2_replicas_entry_validate+0x2a/0x80 [ 88.565778][ T5095] ? bch2_fs_start+0x356/0x5b0 [ 88.567526][ T5095] ? __pfx___mutex_lock+0x10/0x10 [ 88.569261][ T5095] ? do_syscall_64+0xf3/0x230 [ 88.571556][ T5095] bch2_replicas_entry_validate+0x2a/0x80 [ 88.574742][ T5095] journal_entry_data_usage_validate+0x2b6/0x690 [ 88.578184][ T5095] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 88.580805][ T5095] ? journal_entry_usage_validate+0xc2/0x360 [ 88.583041][ T5095] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 88.585447][ T5095] ? rcu_is_watching+0x15/0xb0 [ 88.587345][ T5095] ? trace_kmalloc+0x1f/0xd0 [ 88.589342][ T5095] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 88.591934][ T5095] ? kmemdup_noprof+0x45/0x60 [ 88.594153][ T5095] ? bch2_journal_entry_validate+0x6a/0xf0 [ 88.597202][ T5095] bch2_read_superblock_clean+0x207/0x520 [ 88.599959][ T5095] bch2_fs_recovery+0x1f4/0x39c0 [ 88.601806][ T5095] ? mark_lock+0x9a/0x360 [ 88.603533][ T5095] ? __lock_acquire+0x1384/0x2050 [ 88.605496][ T5095] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 88.607582][ T5095] ? __pfx_lock_release+0x10/0x10 [ 88.609532][ T5095] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 88.612237][ T5095] ? __pfx_lock_release+0x10/0x10 [ 88.615579][ T5095] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 88.619084][ T5095] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 88.621277][ T5095] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 88.623462][ T5095] ? llist_reverse_order+0x72/0x90 [ 88.625433][ T5095] bch2_fs_start+0x356/0x5b0 [ 88.627208][ T5095] bch2_fs_get_tree+0xd68/0x1710 [ 88.628836][ T5095] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 88.630950][ T5095] ? generic_parse_monolithic+0x387/0x400 [ 88.633148][ T5095] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 88.635880][ T5095] ? apparmor_capable+0x13b/0x1b0 [ 88.638405][ T5095] vfs_get_tree+0x90/0x2b0 [ 88.640304][ T5095] do_new_mount+0x2be/0xb40 [ 88.642044][ T5095] ? __pfx_do_new_mount+0x10/0x10 [ 88.644001][ T5095] __se_sys_mount+0x2d6/0x3c0 [ 88.645776][ T5095] ? __pfx___se_sys_mount+0x10/0x10 [ 88.647648][ T5095] ? do_syscall_64+0x100/0x230 [ 88.649402][ T5095] ? __x64_sys_mount+0x20/0xc0 [ 88.651010][ T5095] do_syscall_64+0xf3/0x230 [ 88.652598][ T5095] ? clear_bhb_loop+0x35/0x90 [ 88.654639][ T5095] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.657453][ T5095] RIP: 0033:0x7fb67a4a8dea [ 88.659556][ T5095] 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 [ 88.667311][ T5095] RSP: 002b:00007ffc21df2858 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 88.670539][ T5095] RAX: ffffffffffffffda RBX: 00007ffc21df2870 RCX: 00007fb67a4a8dea [ 88.673253][ T5095] RDX: 0000000020005d80 RSI: 0000000020000000 RDI: 00007ffc21df2870 [ 88.676214][ T5095] RBP: 0000000000000004 R08: 00007ffc21df28b0 R09: 0000000000005df5 [ 88.679606][ T5095] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000 [ 88.683175][ T5095] R13: 00007ffc21df28b0 R14: 0000000000000003 R15: 0000000001000000 [ 88.685927][ T5095] [ 97.016560][ T9] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 09:20:34 Registers: info registers vcpu 0 CPU#0 RAX=000000000000002d RBX=ffffffff9a714e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002d8e570 R8 =ffffffff8549b83b R9 =1ffff11003d7b046 R10=dffffc0000000000 R11=ffffffff8549b7f0 R12=dffffc0000000000 R13=ffffffff9a40ff02 R14=000000000000002d R15=00000000000003f8 RIP=ffffffff8549b86e 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 000055558ba78380 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=000055a31e2a5918 CR3=0000000040dbc000 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 00007ffc21df29f0 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb67a52c560 00007fb67a5205d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb67a512064 00007fb67a525240 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