Warning: Permanently added '[localhost]:49557' (ED25519) to the list of known hosts. executing program syzkaller login: [ 94.243108][ T5099] loop0: detected capacity change from 0 to 32768 [ 94.254484][ T5099] ======================================================= [ 94.254484][ T5099] WARNING: The mand mount option has been deprecated and [ 94.254484][ T5099] and is ignored by this kernel. Remove the mand [ 94.254484][ T5099] option from the mount to silence this warning. [ 94.254484][ T5099] ======================================================= [ 94.385181][ T5099] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=compression=zstd,norecovery,recovery_pass_last=check_dirents,nojournal_transaction_names,version_upgrade=none [ 94.392973][ T5099] [ 94.393980][ T5099] ============================================ [ 94.396453][ T5099] WARNING: possible recursive locking detected [ 94.399161][ T5099] 6.12.0-rc1-syzkaller #0 Not tainted [ 94.403917][ T5099] -------------------------------------------- [ 94.407205][ T5099] syz-executor255/5099 is trying to acquire lock: [ 94.409658][ T5099] ffff888042380908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 94.413531][ T5099] [ 94.413531][ T5099] but task is already holding lock: [ 94.416287][ T5099] ffff888042380908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.420182][ T5099] [ 94.420182][ T5099] other info that might help us debug this: [ 94.423437][ T5099] Possible unsafe locking scenario: [ 94.423437][ T5099] [ 94.428110][ T5099] CPU0 [ 94.430110][ T5099] ---- [ 94.431686][ T5099] lock(&c->sb_lock); [ 94.433066][ T5099] lock(&c->sb_lock); [ 94.434753][ T5099] [ 94.434753][ T5099] *** DEADLOCK *** [ 94.434753][ T5099] [ 94.438272][ T5099] May be due to missing lock nesting notation [ 94.438272][ T5099] [ 94.442050][ T5099] 2 locks held by syz-executor255/5099: [ 94.444417][ T5099] #0: ffff888042380278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 94.448501][ T5099] #1: ffff888042380908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.453018][ T5099] [ 94.453018][ T5099] stack backtrace: [ 94.455867][ T5099] CPU: 0 UID: 0 PID: 5099 Comm: syz-executor255 Not tainted 6.12.0-rc1-syzkaller #0 [ 94.460057][ T5099] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 94.464406][ T5099] Call Trace: [ 94.465964][ T5099] [ 94.467369][ T5099] dump_stack_lvl+0x241/0x360 [ 94.469794][ T5099] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.471958][ T5099] ? __pfx__printk+0x10/0x10 [ 94.474300][ T5099] ? lockdep_unlock+0x16a/0x300 [ 94.476416][ T5099] print_deadlock_bug+0x483/0x620 [ 94.478343][ T5099] validate_chain+0x15e2/0x5920 [ 94.480246][ T5099] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 94.482333][ T5099] ? mark_lock+0x9a/0x360 [ 94.483922][ T5099] ? __pfx_validate_chain+0x10/0x10 [ 94.486385][ T5099] ? __lock_acquire+0x1384/0x2050 [ 94.488388][ T5099] ? mark_lock+0x9a/0x360 [ 94.490491][ T5099] ? __lock_acquire+0x1384/0x2050 [ 94.492755][ T5099] ? mark_lock+0x9a/0x360 [ 94.494692][ T5099] __lock_acquire+0x1384/0x2050 [ 94.496860][ T5099] lock_acquire+0x1ed/0x550 [ 94.498537][ T5099] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.500760][ T5099] ? __pfx_lock_acquire+0x10/0x10 [ 94.502917][ T5099] ? lockdep_hardirqs_on+0x99/0x150 [ 94.505181][ T5099] ? __pfx___might_resched+0x10/0x10 [ 94.507590][ T5099] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 94.510466][ T5099] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 94.513525][ T5099] ? stack_trace_save+0x118/0x1d0 [ 94.515914][ T5099] __mutex_lock+0x136/0xd70 [ 94.517651][ T5099] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.520367][ T5099] ? kasan_save_track+0x51/0x80 [ 94.522689][ T5099] ? kasan_save_track+0x3f/0x80 [ 94.524643][ T5099] ? __kasan_kmalloc+0x98/0xb0 [ 94.527349][ T5099] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 94.530523][ T5099] ? kmemdup_noprof+0x2a/0x60 [ 94.532606][ T5099] ? bch2_read_superblock_clean+0xd6/0x520 [ 94.534974][ T5099] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.537299][ T5099] ? bch2_fs_start+0x356/0x5b0 [ 94.539241][ T5099] ? __pfx___mutex_lock+0x10/0x10 [ 94.541870][ T5099] ? do_syscall_64+0xf3/0x230 [ 94.544417][ T5099] bch2_replicas_entry_validate+0x2a/0x80 [ 94.547138][ T5099] journal_entry_data_usage_validate+0x2b6/0x690 [ 94.550448][ T5099] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 94.553529][ T5099] ? journal_entry_usage_validate+0xc2/0x360 [ 94.556587][ T5099] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 94.559425][ T5099] ? rcu_is_watching+0x15/0xb0 [ 94.561505][ T5099] ? trace_kmalloc+0x1f/0xd0 [ 94.563003][ T5099] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 94.565394][ T5099] ? kmemdup_noprof+0x45/0x60 [ 94.567141][ T5099] ? bch2_journal_entry_validate+0x6a/0xf0 [ 94.569671][ T5099] bch2_read_superblock_clean+0x207/0x520 [ 94.572941][ T5099] bch2_fs_recovery+0x1f4/0x39c0 [ 94.575998][ T5099] ? mark_lock+0x9a/0x360 [ 94.577823][ T5099] ? __lock_acquire+0x1384/0x2050 [ 94.580050][ T5099] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 94.582339][ T5099] ? __pfx_lock_release+0x10/0x10 [ 94.584677][ T5099] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.587030][ T5099] ? __pfx_lock_release+0x10/0x10 [ 94.588898][ T5099] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.591050][ T5099] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 94.593323][ T5099] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.596083][ T5099] ? llist_reverse_order+0x72/0x90 [ 94.598582][ T5099] bch2_fs_start+0x356/0x5b0 [ 94.600602][ T5099] bch2_fs_get_tree+0xd68/0x1710 [ 94.602577][ T5099] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 94.604810][ T5099] ? generic_parse_monolithic+0x387/0x400 [ 94.606836][ T5099] ? apparmor_capable+0x13b/0x1b0 [ 94.608556][ T5099] vfs_get_tree+0x90/0x2b0 [ 94.610511][ T5099] do_new_mount+0x2be/0xb40 [ 94.612937][ T5099] ? __pfx_do_new_mount+0x10/0x10 [ 94.615936][ T5099] __se_sys_mount+0x2d6/0x3c0 [ 94.617925][ T5099] ? __pfx___se_sys_mount+0x10/0x10 [ 94.619868][ T5099] ? do_syscall_64+0x100/0x230 [ 94.621683][ T5099] ? __x64_sys_mount+0x20/0xc0 [ 94.623542][ T5099] do_syscall_64+0xf3/0x230 [ 94.625435][ T5099] ? clear_bhb_loop+0x35/0x90 [ 94.627506][ T5099] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.630162][ T5099] RIP: 0033:0x7f1af24e606a [ 94.632173][ 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 [ 94.640442][ T5099] RSP: 002b:00007fff6272f6e8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.643849][ T5099] RAX: ffffffffffffffda RBX: 00007fff6272f700 RCX: 00007f1af24e606a [ 94.647348][ T5099] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007fff6272f700 [ 94.651425][ T5099] RBP: 0000000000000004 R08: 00007fff6272f740 R09: 0000000000005daf [ 94.654537][ T5099] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 94.657682][ T5099] R13: 00007fff6272f740 R14: 0000000000000003 R15: 0000000001000000 [ 94.662047][ T5099] [ 96.957727][ T9] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 13:30:00 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000020 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002e5e570 R8 =ffffffff8549699b R9 =1ffff11003db0046 R10=dffffc0000000000 R11=ffffffff85496950 R12=dffffc0000000000 R13=ffffffff9a40cf0c R14=0000000000000020 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 000055555e8cb380 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=00007fc37c758000 CR3=000000003fd70000 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 00007fff6272f880 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1af2569620 00007f1af255d5d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f1af254f124 00007f1af2562240 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