Warning: Permanently added '[localhost]:62640' (ED25519) to the list of known hosts. executing program syzkaller login: [ 94.451415][ T5105] loop0: detected capacity change from 0 to 32768 [ 94.462782][ T5105] ======================================================= [ 94.462782][ T5105] WARNING: The mand mount option has been deprecated and [ 94.462782][ T5105] and is ignored by this kernel. Remove the mand [ 94.462782][ T5105] option from the mount to silence this warning. [ 94.462782][ T5105] ======================================================= [ 94.600429][ T5105] 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 [ 94.608563][ T5105] [ 94.609538][ T5105] ============================================ [ 94.611932][ T5105] WARNING: possible recursive locking detected [ 94.614419][ T5105] 6.12.0-rc1-syzkaller-00125-g0c559323bbaa #0 Not tainted [ 94.619462][ T5105] -------------------------------------------- [ 94.621868][ T5105] syz-executor287/5105 is trying to acquire lock: [ 94.624191][ T5105] ffff888040e80908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 94.627655][ T5105] [ 94.627655][ T5105] but task is already holding lock: [ 94.630672][ T5105] ffff888040e80908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.634675][ T5105] [ 94.634675][ T5105] other info that might help us debug this: [ 94.637794][ T5105] Possible unsafe locking scenario: [ 94.637794][ T5105] [ 94.640583][ T5105] CPU0 [ 94.641751][ T5105] ---- [ 94.642948][ T5105] lock(&c->sb_lock); [ 94.644425][ T5105] lock(&c->sb_lock); [ 94.646267][ T5105] [ 94.646267][ T5105] *** DEADLOCK *** [ 94.646267][ T5105] [ 94.650023][ T5105] May be due to missing lock nesting notation [ 94.650023][ T5105] [ 94.653352][ T5105] 2 locks held by syz-executor287/5105: [ 94.655271][ T5105] #0: ffff888040e80278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 94.658474][ T5105] #1: ffff888040e80908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.661894][ T5105] [ 94.661894][ T5105] stack backtrace: [ 94.663975][ T5105] CPU: 0 UID: 0 PID: 5105 Comm: syz-executor287 Not tainted 6.12.0-rc1-syzkaller-00125-g0c559323bbaa #0 [ 94.667683][ T5105] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 94.672935][ T5105] Call Trace: [ 94.674452][ T5105] [ 94.675747][ T5105] dump_stack_lvl+0x241/0x360 [ 94.677426][ T5105] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.679232][ T5105] ? __pfx__printk+0x10/0x10 [ 94.680845][ T5105] ? lockdep_unlock+0x16a/0x300 [ 94.682495][ T5105] print_deadlock_bug+0x483/0x620 [ 94.684258][ T5105] validate_chain+0x15e2/0x5920 [ 94.685809][ T5105] ? __pfx___bfs+0x10/0x10 [ 94.687454][ T5105] ? __pfx_validate_chain+0x10/0x10 [ 94.689694][ T5105] ? mark_lock+0x9a/0x360 [ 94.692639][ T5105] ? __lock_acquire+0x1384/0x2050 [ 94.694692][ T5105] ? mark_lock+0x9a/0x360 [ 94.696337][ T5105] __lock_acquire+0x1384/0x2050 [ 94.698073][ T5105] lock_acquire+0x1ed/0x550 [ 94.699636][ T5105] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.701691][ T5105] ? __pfx_lock_acquire+0x10/0x10 [ 94.703528][ T5105] ? lockdep_hardirqs_on+0x99/0x150 [ 94.705522][ T5105] ? __pfx___might_resched+0x10/0x10 [ 94.707814][ T5105] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 94.710567][ T5105] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 94.712927][ T5105] ? stack_trace_save+0x118/0x1d0 [ 94.714653][ T5105] __mutex_lock+0x136/0xd70 [ 94.716264][ T5105] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.718258][ T5105] ? kasan_save_track+0x51/0x80 [ 94.719978][ T5105] ? kasan_save_track+0x3f/0x80 [ 94.722023][ T5105] ? __kasan_kmalloc+0x98/0xb0 [ 94.724398][ T5105] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 94.727408][ T5105] ? kmemdup_noprof+0x2a/0x60 [ 94.729381][ T5105] ? bch2_read_superblock_clean+0xd6/0x520 [ 94.731391][ T5105] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.733368][ T5105] ? bch2_fs_start+0x356/0x5b0 [ 94.735053][ T5105] ? __pfx___mutex_lock+0x10/0x10 [ 94.736760][ T5105] ? do_syscall_64+0xf3/0x230 [ 94.738579][ T5105] bch2_replicas_entry_validate+0x2a/0x80 [ 94.740591][ T5105] journal_entry_data_usage_validate+0x2b6/0x690 [ 94.742873][ T5105] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 94.745708][ T5105] ? journal_entry_usage_validate+0xc2/0x360 [ 94.748058][ T5105] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 94.750354][ T5105] ? rcu_is_watching+0x15/0xb0 [ 94.752062][ T5105] ? trace_kmalloc+0x1f/0xd0 [ 94.753616][ T5105] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 94.755902][ T5105] ? kmemdup_noprof+0x45/0x60 [ 94.757539][ T5105] ? bch2_journal_entry_validate+0x6a/0xf0 [ 94.759559][ T5105] bch2_read_superblock_clean+0x207/0x520 [ 94.761438][ T5105] bch2_fs_recovery+0x1f4/0x39c0 [ 94.763055][ T5105] ? mark_lock+0x9a/0x360 [ 94.764639][ T5105] ? __lock_acquire+0x1384/0x2050 [ 94.766418][ T5105] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 94.768248][ T5105] ? __pfx_lock_release+0x10/0x10 [ 94.769890][ T5105] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.771791][ T5105] ? __pfx_lock_release+0x10/0x10 [ 94.773627][ T5105] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.775639][ T5105] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 94.777412][ T5105] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.779182][ T5105] ? llist_reverse_order+0x72/0x90 [ 94.780868][ T5105] bch2_fs_start+0x356/0x5b0 [ 94.782370][ T5105] bch2_fs_get_tree+0xd68/0x1710 [ 94.784229][ T5105] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 94.786856][ T5105] ? generic_parse_monolithic+0x387/0x400 [ 94.789540][ T5105] ? apparmor_capable+0x13b/0x1b0 [ 94.791765][ T5105] vfs_get_tree+0x90/0x2b0 [ 94.793283][ T5105] do_new_mount+0x2be/0xb40 [ 94.794679][ T5105] ? __pfx_do_new_mount+0x10/0x10 [ 94.796396][ T5105] __se_sys_mount+0x2d6/0x3c0 [ 94.797923][ T5105] ? __pfx___se_sys_mount+0x10/0x10 [ 94.799824][ T5105] ? do_syscall_64+0x100/0x230 [ 94.801779][ T5105] ? __x64_sys_mount+0x20/0xc0 [ 94.803782][ T5105] do_syscall_64+0xf3/0x230 [ 94.805638][ T5105] ? clear_bhb_loop+0x35/0x90 [ 94.807480][ T5105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.810075][ T5105] RIP: 0033:0x7f16f069e0aa [ 94.812772][ T5105] 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 [ 94.821027][ T5105] RSP: 002b:00007ffe4dfa8968 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.824393][ T5105] RAX: ffffffffffffffda RBX: 00007ffe4dfa8980 RCX: 00007f16f069e0aa [ 94.828083][ T5105] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffe4dfa8980 [ 94.832263][ T5105] RBP: 0000000000000004 R08: 00007ffe4dfa89c0 R09: 0000000000005daf [ 94.835500][ T5105] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 94.838521][ T5105] R13: 00007ffe4dfa89c0 R14: 0000000000000003 R15: 0000000001000000 [ 94.841577][ T5105] [ 97.018467][ T1340] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 22:22:09 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff34e2360 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003fd RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002bde578 R8 =ffffffff85496f96 R9 =1ffff11003d6c046 R10=dffffc0000000000 R11=ffffffff85496f50 R12=dffffc0000000000 R13=ffffffff9a40cf00 R14=00000000000003fd R15=dffffc0000000000 RIP=ffffffff85496fc6 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 00005555931dc380 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=00007f0304d72e00 CR3=0000000012322000 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 00007ffe4dfa8b00 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f16f0721620 00007f16f07155d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f16f07070c4 00007f16f071a240 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