Warning: Permanently added '[localhost]:58275' (ED25519) to the list of known hosts. executing program syzkaller login: [ 93.568827][ T5098] loop0: detected capacity change from 0 to 32768 [ 93.619606][ T5098] ======================================================= [ 93.619606][ T5098] WARNING: The mand mount option has been deprecated and [ 93.619606][ T5098] and is ignored by this kernel. Remove the mand [ 93.619606][ T5098] option from the mount to silence this warning. [ 93.619606][ T5098] ======================================================= [ 93.748865][ T5098] 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 [ 93.774356][ T5098] [ 93.775368][ T5098] ============================================ [ 93.777661][ T5098] WARNING: possible recursive locking detected [ 93.779604][ T5098] 6.12.0-rc1-syzkaller-00306-g27cc6fdf7201 #0 Not tainted [ 93.781968][ T5098] -------------------------------------------- [ 93.784766][ T5098] syz-executor362/5098 is trying to acquire lock: [ 93.788592][ T5098] ffff888040f80908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 93.792267][ T5098] [ 93.792267][ T5098] but task is already holding lock: [ 93.794889][ T5098] ffff888040f80908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 93.799016][ T5098] [ 93.799016][ T5098] other info that might help us debug this: [ 93.803731][ T5098] Possible unsafe locking scenario: [ 93.803731][ T5098] [ 93.806456][ T5098] CPU0 [ 93.807702][ T5098] ---- [ 93.808864][ T5098] lock(&c->sb_lock); [ 93.810407][ T5098] lock(&c->sb_lock); [ 93.812029][ T5098] [ 93.812029][ T5098] *** DEADLOCK *** [ 93.812029][ T5098] [ 93.815264][ T5098] May be due to missing lock nesting notation [ 93.815264][ T5098] [ 93.819738][ T5098] 2 locks held by syz-executor362/5098: [ 93.822572][ T5098] #0: ffff888040f80278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 93.826433][ T5098] #1: ffff888040f80908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 93.830851][ T5098] [ 93.830851][ T5098] stack backtrace: [ 93.833740][ T5098] CPU: 0 UID: 0 PID: 5098 Comm: syz-executor362 Not tainted 6.12.0-rc1-syzkaller-00306-g27cc6fdf7201 #0 [ 93.838646][ T5098] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 93.843243][ T5098] Call Trace: [ 93.844554][ T5098] [ 93.845694][ T5098] dump_stack_lvl+0x241/0x360 [ 93.847665][ T5098] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.849779][ T5098] ? __pfx__printk+0x10/0x10 [ 93.851918][ T5098] ? lockdep_unlock+0x16a/0x300 [ 93.854231][ T5098] print_deadlock_bug+0x483/0x620 [ 93.856669][ T5098] validate_chain+0x15e2/0x5920 [ 93.858864][ T5098] ? __pfx_validate_chain+0x10/0x10 [ 93.860786][ T5098] ? mark_lock+0x9a/0x360 [ 93.862445][ T5098] ? __lock_acquire+0x1384/0x2050 [ 93.864581][ T5098] ? mark_lock+0x9a/0x360 [ 93.866492][ T5098] ? mark_lock+0x9a/0x360 [ 93.868444][ T5098] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 93.871509][ T5098] __lock_acquire+0x1384/0x2050 [ 93.873859][ T5098] lock_acquire+0x1ed/0x550 [ 93.876171][ T5098] ? bch2_replicas_entry_validate+0x2a/0x80 [ 93.878547][ T5098] ? __pfx_lock_acquire+0x10/0x10 [ 93.880458][ T5098] ? __pfx_kfence_guarded_alloc+0x10/0x10 [ 93.882656][ T5098] ? __pfx___might_resched+0x10/0x10 [ 93.884901][ T5098] ? irq_work_queue+0xc1/0x150 [ 93.886990][ T5098] __mutex_lock+0x136/0xd70 [ 93.888892][ T5098] ? bch2_replicas_entry_validate+0x2a/0x80 [ 93.891945][ T5098] ? __kfence_alloc+0x274/0x370 [ 93.894740][ T5098] ? __kmalloc_node_track_caller_noprof+0x395/0x440 [ 93.897843][ T5098] ? bch2_read_superblock_clean+0xd6/0x520 [ 93.899842][ T5098] ? bch2_fs_recovery+0x1f4/0x39c0 [ 93.901874][ T5098] ? bch2_fs_get_tree+0xd68/0x1710 [ 93.903979][ T5098] ? vfs_get_tree+0x90/0x2b0 [ 93.905815][ T5098] ? do_new_mount+0x2be/0xb40 [ 93.907753][ T5098] ? __se_sys_mount+0x2d6/0x3c0 [ 93.909314][ T5098] ? do_syscall_64+0xf3/0x230 [ 93.911462][ T5098] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.914253][ T5098] ? bch2_replicas_entry_validate+0x2a/0x80 [ 93.917112][ T5098] ? __pfx___mutex_lock+0x10/0x10 [ 93.919393][ T5098] bch2_replicas_entry_validate+0x2a/0x80 [ 93.921794][ T5098] journal_entry_data_usage_validate+0x2b6/0x690 [ 93.924694][ T5098] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 93.927342][ T5098] ? journal_entry_usage_validate+0xc2/0x360 [ 93.929926][ T5098] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 93.932694][ T5098] ? rcu_is_watching+0x15/0xb0 [ 93.934635][ T5098] ? trace_kmalloc+0x1f/0xd0 [ 93.936416][ T5098] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 93.938733][ T5098] ? kmemdup_noprof+0x45/0x60 [ 93.940636][ T5098] ? bch2_journal_entry_validate+0x6a/0xf0 [ 93.943755][ T5098] bch2_read_superblock_clean+0x207/0x520 [ 93.946419][ T5098] bch2_fs_recovery+0x1f4/0x39c0 [ 93.948288][ T5098] ? mark_lock+0x9a/0x360 [ 93.949871][ T5098] ? __lock_acquire+0x1384/0x2050 [ 93.951809][ T5098] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 93.953765][ T5098] ? __pfx_lock_release+0x10/0x10 [ 93.955624][ T5098] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 93.957660][ T5098] ? __pfx_lock_release+0x10/0x10 [ 93.959523][ T5098] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 93.961620][ T5098] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 93.964726][ T5098] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 93.967043][ T5098] ? llist_reverse_order+0x72/0x90 [ 93.969081][ T5098] bch2_fs_start+0x356/0x5b0 [ 93.970936][ T5098] bch2_fs_get_tree+0xd68/0x1710 [ 93.972799][ T5098] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 93.974933][ T5098] ? generic_parse_monolithic+0x387/0x400 [ 93.977245][ T5098] ? apparmor_capable+0x13b/0x1b0 [ 93.979514][ T5098] vfs_get_tree+0x90/0x2b0 [ 93.981791][ T5098] do_new_mount+0x2be/0xb40 [ 93.984020][ T5098] ? __pfx_do_new_mount+0x10/0x10 [ 93.986225][ T5098] __se_sys_mount+0x2d6/0x3c0 [ 93.988252][ T5098] ? __pfx___se_sys_mount+0x10/0x10 [ 93.990246][ T5098] ? do_syscall_64+0x100/0x230 [ 93.992124][ T5098] ? __x64_sys_mount+0x20/0xc0 [ 93.994043][ T5098] do_syscall_64+0xf3/0x230 [ 93.995860][ T5098] ? clear_bhb_loop+0x35/0x90 [ 93.997719][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.000180][ T5098] RIP: 0033:0x7f7c964640aa [ 94.002061][ T5098] 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 [ 94.010435][ T5098] RSP: 002b:00007ffcd6805a38 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.013654][ T5098] RAX: ffffffffffffffda RBX: 00007ffcd6805a50 RCX: 00007f7c964640aa [ 94.016701][ T5098] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffcd6805a50 [ 94.020353][ T5098] RBP: 0000000000000004 R08: 00007ffcd6805a90 R09: 0000000000005daf [ 94.024486][ T5098] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 94.027455][ T5098] R13: 00007ffcd6805a90 R14: 0000000000000003 R15: 0000000001000000 [ 94.030440][ T5098] [ 96.932165][ T785] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 15:31:06 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000079 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000179e570 R8 =ffffffff8549687b R9 =1ffff110066f8046 R10=dffffc0000000000 R11=ffffffff85496830 R12=dffffc0000000000 R13=ffffffff9a40cef9 R14=0000000000000079 R15=00000000000003f8 RIP=ffffffff854968ae 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 =0000 0000000000000000 ffffffff 00c00000 DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 000055558ebb8380 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=00007f00041df42d CR3=000000001249e000 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=0000000000000000 Opmask01=0000000000300000 Opmask02=00000000ffffffff Opmask03=0000000000000000 Opmask04=00000000ffefffff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000001 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffd12e4ba20 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 6565656565656565 6565656565656565 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff00ff0000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffffffff0000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff00ff0000000000 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 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6576656365726564 2664747370376465 6373736572706765 6326657564637464 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 657265635f6b6364 26633d737037645f 637361655f706765 63266365642c7464 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2673656761645564 6563746361736461 7274556661647275 6560656426737464 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 266565205f645564 206300006137645f 3d6555615f646765 5f266364262c6564 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f7c65696f786564 266e7e7970376465 6379796f787a6765 69266f7f64637e64 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 26796f676b645564 65637e696b79646b 787e55666b64787f 6560656426797e64 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