Warning: Permanently added '[localhost]:35234' (ED25519) to the list of known hosts. executing program syzkaller login: [ 88.262441][ T5112] loop0: detected capacity change from 0 to 32768 [ 88.293888][ T5112] ======================================================= [ 88.293888][ T5112] WARNING: The mand mount option has been deprecated and [ 88.293888][ T5112] and is ignored by this kernel. Remove the mand [ 88.293888][ T5112] option from the mount to silence this warning. [ 88.293888][ T5112] ======================================================= [ 88.391299][ T5112] 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 [ 88.400388][ T5112] [ 88.401514][ T5112] ============================================ [ 88.404021][ T5112] WARNING: possible recursive locking detected [ 88.406423][ T5112] 6.12.0-rc1-syzkaller-00046-g7ec462100ef9 #0 Not tainted [ 88.410034][ T5112] -------------------------------------------- [ 88.412387][ T5112] syz-executor310/5112 is trying to acquire lock: [ 88.414859][ T5112] ffff888045080908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 88.419475][ T5112] [ 88.419475][ T5112] but task is already holding lock: [ 88.423107][ T5112] ffff888045080908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 88.427562][ T5112] [ 88.427562][ T5112] other info that might help us debug this: [ 88.430623][ T5112] Possible unsafe locking scenario: [ 88.430623][ T5112] [ 88.433235][ T5112] CPU0 [ 88.434495][ T5112] ---- [ 88.435754][ T5112] lock(&c->sb_lock); [ 88.437424][ T5112] lock(&c->sb_lock); [ 88.439110][ T5112] [ 88.439110][ T5112] *** DEADLOCK *** [ 88.439110][ T5112] [ 88.442299][ T5112] May be due to missing lock nesting notation [ 88.442299][ T5112] [ 88.445602][ T5112] 2 locks held by syz-executor310/5112: [ 88.447818][ T5112] #0: ffff888045080278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 88.451598][ T5112] #1: ffff888045080908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 88.455191][ T5112] [ 88.455191][ T5112] stack backtrace: [ 88.457218][ T5112] CPU: 0 UID: 0 PID: 5112 Comm: syz-executor310 Not tainted 6.12.0-rc1-syzkaller-00046-g7ec462100ef9 #0 [ 88.461055][ T5112] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.465155][ T5112] Call Trace: [ 88.468030][ T5112] [ 88.470479][ T5112] dump_stack_lvl+0x241/0x360 [ 88.472675][ T5112] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.474588][ T5112] ? __pfx__printk+0x10/0x10 [ 88.476296][ T5112] ? lockdep_unlock+0x16a/0x300 [ 88.478105][ T5112] print_deadlock_bug+0x483/0x620 [ 88.480054][ T5112] validate_chain+0x15e2/0x5920 [ 88.481987][ T5112] ? __pfx_validate_chain+0x10/0x10 [ 88.484085][ T5112] ? mark_lock+0x9a/0x360 [ 88.485911][ T5112] ? __lock_acquire+0x1384/0x2050 [ 88.488158][ T5112] ? mark_lock+0x9a/0x360 [ 88.490644][ T5112] __lock_acquire+0x1384/0x2050 [ 88.493403][ T5112] lock_acquire+0x1ed/0x550 [ 88.495495][ T5112] ? bch2_replicas_entry_validate+0x2a/0x80 [ 88.497859][ T5112] ? __pfx_lock_acquire+0x10/0x10 [ 88.499638][ T5112] ? lockdep_hardirqs_on+0x99/0x150 [ 88.501612][ T5112] ? __pfx___might_resched+0x10/0x10 [ 88.503748][ T5112] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 88.506327][ T5112] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 88.509251][ T5112] ? stack_trace_save+0x118/0x1d0 [ 88.511380][ T5112] __mutex_lock+0x136/0xd70 [ 88.513157][ T5112] ? bch2_replicas_entry_validate+0x2a/0x80 [ 88.515491][ T5112] ? kasan_save_track+0x51/0x80 [ 88.517603][ T5112] ? kasan_save_track+0x3f/0x80 [ 88.520068][ T5112] ? __kasan_kmalloc+0x98/0xb0 [ 88.522672][ T5112] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 88.525929][ T5112] ? kmemdup_noprof+0x2a/0x60 [ 88.527830][ T5112] ? bch2_read_superblock_clean+0xd6/0x520 [ 88.530037][ T5112] ? bch2_replicas_entry_validate+0x2a/0x80 [ 88.532263][ T5112] ? bch2_fs_start+0x356/0x5b0 [ 88.534006][ T5112] ? __pfx___mutex_lock+0x10/0x10 [ 88.535831][ T5112] ? do_syscall_64+0xf3/0x230 [ 88.537503][ T5112] bch2_replicas_entry_validate+0x2a/0x80 [ 88.539785][ T5112] journal_entry_data_usage_validate+0x2b6/0x690 [ 88.543471][ T5112] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 88.547082][ T5112] ? journal_entry_usage_validate+0xc2/0x360 [ 88.549360][ T5112] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 88.551879][ T5112] ? rcu_is_watching+0x15/0xb0 [ 88.554059][ T5112] ? trace_kmalloc+0x1f/0xd0 [ 88.555993][ T5112] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 88.558769][ T5112] ? kmemdup_noprof+0x45/0x60 [ 88.560775][ T5112] ? bch2_journal_entry_validate+0x6a/0xf0 [ 88.563284][ T5112] bch2_read_superblock_clean+0x207/0x520 [ 88.565735][ T5112] bch2_fs_recovery+0x1f4/0x39c0 [ 88.567782][ T5112] ? mark_lock+0x9a/0x360 [ 88.569573][ T5112] ? __lock_acquire+0x1384/0x2050 [ 88.571754][ T5112] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 88.574324][ T5112] ? __pfx_lock_release+0x10/0x10 [ 88.576841][ T5112] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 88.579584][ T5112] ? __pfx_lock_release+0x10/0x10 [ 88.581870][ T5112] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 88.584067][ T5112] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 88.586271][ T5112] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 88.588490][ T5112] ? llist_reverse_order+0x72/0x90 [ 88.590428][ T5112] bch2_fs_start+0x356/0x5b0 [ 88.592217][ T5112] bch2_fs_get_tree+0xd68/0x1710 [ 88.594473][ T5112] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 88.596923][ T5112] ? generic_parse_monolithic+0x387/0x400 [ 88.599631][ T5112] ? apparmor_capable+0x13b/0x1b0 [ 88.601763][ T5112] vfs_get_tree+0x90/0x2b0 [ 88.603494][ T5112] do_new_mount+0x2be/0xb40 [ 88.605229][ T5112] ? __pfx_do_new_mount+0x10/0x10 [ 88.607236][ T5112] __se_sys_mount+0x2d6/0x3c0 [ 88.609098][ T5112] ? __pfx___se_sys_mount+0x10/0x10 [ 88.611507][ T5112] ? do_syscall_64+0x100/0x230 [ 88.614311][ T5112] ? __x64_sys_mount+0x20/0xc0 [ 88.616661][ T5112] do_syscall_64+0xf3/0x230 [ 88.618543][ T5112] ? clear_bhb_loop+0x35/0x90 [ 88.620373][ T5112] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.622684][ T5112] RIP: 0033:0x7fcb2a09c06a [ 88.624434][ T5112] 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 [ 88.633736][ T5112] RSP: 002b:00007ffe34000168 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 88.637599][ T5112] RAX: ffffffffffffffda RBX: 00007ffe34000180 RCX: 00007fcb2a09c06a [ 88.640912][ T5112] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffe34000180 [ 88.644030][ T5112] RBP: 0000000000000004 R08: 00007ffe340001c0 R09: 0000000000005de7 [ 88.647173][ T5112] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 88.650258][ T5112] R13: 00007ffe340001c0 R14: 0000000000000003 R15: 0000000001000000 [ 88.653483][ T5112] [ 97.003566][ T8] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 16:55:33 Registers: info registers vcpu 0 CPU#0 RAX=000000000000002e RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002cbe570 R8 =ffffffff85496a1b R9 =1ffff11003da2046 R10=dffffc0000000000 R11=ffffffff854969d0 R12=dffffc0000000000 R13=ffffffff9a40cefc R14=000000000000002e 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 000055556fa40380 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=000055da302319a8 CR3=0000000040990000 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 00007ffe34000300 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fcb2a11f620 00007fcb2a1135d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fcb2a105164 00007fcb2a118240 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