Warning: Permanently added '[localhost]:58973' (ED25519) to the list of known hosts. executing program syzkaller login: [ 94.329351][ T5102] loop0: detected capacity change from 0 to 32768 [ 94.356918][ T5102] ======================================================= [ 94.356918][ T5102] WARNING: The mand mount option has been deprecated and [ 94.356918][ T5102] and is ignored by this kernel. Remove the mand [ 94.356918][ T5102] option from the mount to silence this warning. [ 94.356918][ T5102] ======================================================= [ 94.468267][ T5102] 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 [ 94.477734][ T5102] [ 94.478780][ T5102] ============================================ [ 94.481347][ T5102] WARNING: possible recursive locking detected [ 94.483907][ T5102] 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Not tainted [ 94.488002][ T5102] -------------------------------------------- [ 94.490660][ T5102] syz-executor195/5102 is trying to acquire lock: [ 94.493784][ T5102] ffff888041680908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 94.498319][ T5102] [ 94.498319][ T5102] but task is already holding lock: [ 94.501231][ T5102] ffff888041680908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.505137][ T5102] [ 94.505137][ T5102] other info that might help us debug this: [ 94.508359][ T5102] Possible unsafe locking scenario: [ 94.508359][ T5102] [ 94.511581][ T5102] CPU0 [ 94.513154][ T5102] ---- [ 94.515065][ T5102] lock(&c->sb_lock); [ 94.517149][ T5102] lock(&c->sb_lock); [ 94.518837][ T5102] [ 94.518837][ T5102] *** DEADLOCK *** [ 94.518837][ T5102] [ 94.521972][ T5102] May be due to missing lock nesting notation [ 94.521972][ T5102] [ 94.525344][ T5102] 2 locks held by syz-executor195/5102: [ 94.528269][ T5102] #0: ffff888041680278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 94.532773][ T5102] #1: ffff888041680908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.536992][ T5102] [ 94.536992][ T5102] stack backtrace: [ 94.539419][ T5102] CPU: 0 UID: 0 PID: 5102 Comm: syz-executor195 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 94.543568][ T5102] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 94.547604][ T5102] Call Trace: [ 94.548909][ T5102] [ 94.550226][ T5102] dump_stack_lvl+0x241/0x360 [ 94.552699][ T5102] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.555539][ T5102] ? __pfx__printk+0x10/0x10 [ 94.557510][ T5102] ? lockdep_unlock+0x16a/0x300 [ 94.559465][ T5102] print_deadlock_bug+0x483/0x620 [ 94.561462][ T5102] validate_chain+0x15e2/0x5920 [ 94.563404][ T5102] ? __pfx___bfs+0x10/0x10 [ 94.565232][ T5102] ? __pfx_validate_chain+0x10/0x10 [ 94.567517][ T5102] ? mark_lock+0x9a/0x360 [ 94.569898][ T5102] ? __lock_acquire+0x1384/0x2050 [ 94.572374][ T5102] ? mark_lock+0x9a/0x360 [ 94.574155][ T5102] __lock_acquire+0x1384/0x2050 [ 94.576075][ T5102] lock_acquire+0x1ed/0x550 [ 94.577890][ T5102] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.580250][ T5102] ? __pfx_lock_acquire+0x10/0x10 [ 94.582558][ T5102] ? lockdep_hardirqs_on+0x99/0x150 [ 94.585254][ T5102] ? __pfx___might_resched+0x10/0x10 [ 94.587851][ T5102] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 94.590375][ T5102] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 94.592900][ T5102] ? stack_trace_save+0x118/0x1d0 [ 94.594932][ T5102] __mutex_lock+0x136/0xd70 [ 94.596770][ T5102] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.599087][ T5102] ? kasan_save_track+0x51/0x80 [ 94.601103][ T5102] ? kasan_save_track+0x3f/0x80 [ 94.603238][ T5102] ? __kasan_kmalloc+0x98/0xb0 [ 94.605390][ T5102] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 94.607976][ T5102] ? kmemdup_noprof+0x2a/0x60 [ 94.609606][ T5102] ? bch2_read_superblock_clean+0xd6/0x520 [ 94.611888][ T5102] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.614227][ T5102] ? bch2_fs_start+0x356/0x5b0 [ 94.616078][ T5102] ? __pfx___mutex_lock+0x10/0x10 [ 94.618249][ T5102] ? do_syscall_64+0xf3/0x230 [ 94.620648][ T5102] bch2_replicas_entry_validate+0x2a/0x80 [ 94.623494][ T5102] journal_entry_data_usage_validate+0x2b6/0x690 [ 94.626394][ T5102] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 94.629059][ T5102] ? journal_entry_usage_validate+0xc2/0x360 [ 94.631486][ T5102] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 94.634045][ T5102] ? rcu_is_watching+0x15/0xb0 [ 94.635969][ T5102] ? trace_kmalloc+0x1f/0xd0 [ 94.637814][ T5102] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 94.641027][ T5102] ? kmemdup_noprof+0x45/0x60 [ 94.643698][ T5102] ? bch2_journal_entry_validate+0x6a/0xf0 [ 94.646262][ T5102] bch2_read_superblock_clean+0x207/0x520 [ 94.648414][ T5102] bch2_fs_recovery+0x1f4/0x39c0 [ 94.650386][ T5102] ? mark_lock+0x9a/0x360 [ 94.652098][ T5102] ? __lock_acquire+0x1384/0x2050 [ 94.654159][ T5102] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 94.656745][ T5102] ? __pfx_lock_release+0x10/0x10 [ 94.659375][ T5102] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.662304][ T5102] ? __pfx_lock_release+0x10/0x10 [ 94.664309][ T5102] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.666509][ T5102] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 94.668679][ T5102] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.670742][ T5102] ? llist_reverse_order+0x72/0x90 [ 94.672754][ T5102] bch2_fs_start+0x356/0x5b0 [ 94.674867][ T5102] bch2_fs_get_tree+0xd68/0x1710 [ 94.677454][ T5102] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 94.679970][ T5102] ? generic_parse_monolithic+0x387/0x400 [ 94.682421][ T5102] ? apparmor_capable+0x13b/0x1b0 [ 94.684422][ T5102] vfs_get_tree+0x90/0x2b0 [ 94.686206][ T5102] do_new_mount+0x2be/0xb40 [ 94.687917][ T5102] ? __pfx_do_new_mount+0x10/0x10 [ 94.689902][ T5102] __se_sys_mount+0x2d6/0x3c0 [ 94.691981][ T5102] ? __pfx___se_sys_mount+0x10/0x10 [ 94.694700][ T5102] ? do_syscall_64+0x100/0x230 [ 94.697336][ T5102] ? __x64_sys_mount+0x20/0xc0 [ 94.699299][ T5102] do_syscall_64+0xf3/0x230 [ 94.701046][ T5102] ? clear_bhb_loop+0x35/0x90 [ 94.702975][ T5102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.705242][ T5102] RIP: 0033:0x7ffbe6afa06a [ 94.706943][ T5102] 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 [ 94.716300][ T5102] RSP: 002b:00007ffc621ffbb8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.719758][ T5102] RAX: ffffffffffffffda RBX: 00007ffc621ffbd0 RCX: 00007ffbe6afa06a [ 94.722564][ T5102] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffc621ffbd0 [ 94.725316][ T5102] RBP: 0000000000000004 R08: 00007ffc621ffc10 R09: 0000000000005daf [ 94.728333][ T5102] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 94.731990][ T5102] R13: 00007ffc621ffc10 R14: 0000000000000003 R15: 0000000001000000 [ 94.736134][ T5102] [ 96.987410][ T785] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 04:57:09 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000061 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002d3e570 R8 =ffffffff85496a1b R9 =1ffff11003dc6046 R10=dffffc0000000000 R11=ffffffff854969d0 R12=dffffc0000000000 R13=ffffffff9a40cf07 R14=0000000000000061 R15=00000000000003f8 RIP=ffffffff85496a4e 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 000055555b9e4380 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=00005596556eb0d0 CR3=000000001cf20000 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 00007ffc621ffd50 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffbe6b7d620 00007ffbe6b715d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffbe6b63124 00007ffbe6b76240 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