Warning: Permanently added '[localhost]:51313' (ED25519) to the list of known hosts. executing program [ 94.596837][ T5101] loop0: detected capacity change from 0 to 32768 [ 94.625489][ T5101] ======================================================= [ 94.625489][ T5101] WARNING: The mand mount option has been deprecated and [ 94.625489][ T5101] and is ignored by this kernel. Remove the mand [ 94.625489][ T5101] option from the mount to silence this warning. [ 94.625489][ T5101] ======================================================= [ 94.744195][ T5101] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=compression=lz4,nojournal_transaction_names [ 94.750064][ T5101] [ 94.751206][ T5101] ============================================ [ 94.753515][ T5101] WARNING: possible recursive locking detected [ 94.755817][ T5101] 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Not tainted [ 94.759461][ T5101] -------------------------------------------- [ 94.761872][ T5101] syz-executor137/5101 is trying to acquire lock: [ 94.764776][ T5101] ffff888040780908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 94.769337][ T5101] [ 94.769337][ T5101] but task is already holding lock: [ 94.772253][ T5101] ffff888040780908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.776120][ T5101] [ 94.776120][ T5101] other info that might help us debug this: [ 94.778838][ T5101] Possible unsafe locking scenario: [ 94.778838][ T5101] [ 94.781939][ T5101] CPU0 [ 94.783562][ T5101] ---- [ 94.785344][ T5101] lock(&c->sb_lock); [ 94.787379][ T5101] lock(&c->sb_lock); [ 94.789075][ T5101] [ 94.789075][ T5101] *** DEADLOCK *** [ 94.789075][ T5101] [ 94.791947][ T5101] May be due to missing lock nesting notation [ 94.791947][ T5101] [ 94.795139][ T5101] 2 locks held by syz-executor137/5101: [ 94.797173][ T5101] #0: ffff888040780278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 94.800894][ T5101] #1: ffff888040780908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.806095][ T5101] [ 94.806095][ T5101] stack backtrace: [ 94.808454][ T5101] CPU: 0 UID: 0 PID: 5101 Comm: syz-executor137 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 94.812039][ T5101] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 94.816023][ T5101] Call Trace: [ 94.817342][ T5101] [ 94.818434][ T5101] dump_stack_lvl+0x241/0x360 [ 94.820421][ T5101] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.822521][ T5101] ? __pfx__printk+0x10/0x10 [ 94.824531][ T5101] ? lockdep_unlock+0x16a/0x300 [ 94.826657][ T5101] print_deadlock_bug+0x483/0x620 [ 94.829124][ T5101] validate_chain+0x15e2/0x5920 [ 94.830698][ T5101] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 94.832813][ T5101] ? mark_lock+0x9a/0x360 [ 94.834461][ T5101] ? __pfx_validate_chain+0x10/0x10 [ 94.836770][ T5101] ? __lock_acquire+0x1384/0x2050 [ 94.839493][ T5101] ? mark_lock+0x9a/0x360 [ 94.841590][ T5101] ? __lock_acquire+0x1384/0x2050 [ 94.843902][ T5101] ? mark_lock+0x9a/0x360 [ 94.845553][ T5101] __lock_acquire+0x1384/0x2050 [ 94.847332][ T5101] lock_acquire+0x1ed/0x550 [ 94.849023][ T5101] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.851285][ T5101] ? __pfx_lock_acquire+0x10/0x10 [ 94.853517][ T5101] ? lockdep_hardirqs_on+0x99/0x150 [ 94.855734][ T5101] ? __pfx___might_resched+0x10/0x10 [ 94.857971][ T5101] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 94.860424][ T5101] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 94.862735][ T5101] ? stack_trace_save+0x118/0x1d0 [ 94.864606][ T5101] __mutex_lock+0x136/0xd70 [ 94.866079][ T5101] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.868920][ T5101] ? kasan_save_track+0x51/0x80 [ 94.871293][ T5101] ? kasan_save_track+0x3f/0x80 [ 94.873212][ T5101] ? __kasan_kmalloc+0x98/0xb0 [ 94.875066][ T5101] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 94.877644][ T5101] ? kmemdup_noprof+0x2a/0x60 [ 94.879404][ T5101] ? bch2_read_superblock_clean+0xd6/0x520 [ 94.881676][ T5101] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.884458][ T5101] ? bch2_fs_start+0x356/0x5b0 [ 94.886258][ T5101] ? __pfx___mutex_lock+0x10/0x10 [ 94.888106][ T5101] ? do_syscall_64+0xf3/0x230 [ 94.890203][ T5101] bch2_replicas_entry_validate+0x2a/0x80 [ 94.892237][ T5101] journal_entry_data_usage_validate+0x2b6/0x690 [ 94.894473][ T5101] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 94.897183][ T5101] ? journal_entry_usage_validate+0xc2/0x360 [ 94.899856][ T5101] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 94.902917][ T5101] ? rcu_is_watching+0x15/0xb0 [ 94.905063][ T5101] ? trace_kmalloc+0x1f/0xd0 [ 94.907022][ T5101] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 94.909792][ T5101] ? kmemdup_noprof+0x45/0x60 [ 94.912041][ T5101] ? bch2_journal_entry_validate+0x6a/0xf0 [ 94.914732][ T5101] bch2_read_superblock_clean+0x207/0x520 [ 94.917546][ T5101] bch2_fs_recovery+0x1f4/0x39c0 [ 94.920857][ T5101] ? mark_lock+0x9a/0x360 [ 94.923250][ T5101] ? __lock_acquire+0x1384/0x2050 [ 94.925624][ T5101] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 94.928022][ T5101] ? __pfx_lock_release+0x10/0x10 [ 94.929967][ T5101] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.932300][ T5101] ? __pfx_lock_release+0x10/0x10 [ 94.934494][ T5101] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.937758][ T5101] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 94.940255][ T5101] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.942510][ T5101] ? llist_reverse_order+0x72/0x90 [ 94.944538][ T5101] bch2_fs_start+0x356/0x5b0 [ 94.946321][ T5101] bch2_fs_get_tree+0xd68/0x1710 [ 94.948355][ T5101] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 94.950930][ T5101] ? generic_parse_monolithic+0x387/0x400 [ 94.953871][ T5101] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 94.956445][ T5101] ? apparmor_capable+0x13b/0x1b0 [ 94.958514][ T5101] vfs_get_tree+0x90/0x2b0 [ 94.960366][ T5101] do_new_mount+0x2be/0xb40 [ 94.962268][ T5101] ? __pfx_do_new_mount+0x10/0x10 [ 94.964336][ T5101] __se_sys_mount+0x2d6/0x3c0 [ 94.966237][ T5101] ? __pfx___se_sys_mount+0x10/0x10 [ 94.968828][ T5101] ? do_syscall_64+0x100/0x230 [ 94.972006][ T5101] ? __x64_sys_mount+0x20/0xc0 [ 94.974512][ T5101] do_syscall_64+0xf3/0x230 [ 94.976445][ T5101] ? clear_bhb_loop+0x35/0x90 [ 94.978541][ T5101] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.980953][ T5101] RIP: 0033:0x7fcb0a30edea [ 94.982778][ T5101] 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 [ 94.991794][ T5101] RSP: 002b:00007ffdb83d1b88 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.995125][ T5101] RAX: ffffffffffffffda RBX: 00007ffdb83d1ba0 RCX: 00007fcb0a30edea [ 94.998486][ T5101] RDX: 0000000020000040 RSI: 0000000020000240 RDI: 00007ffdb83d1ba0 [ 95.002853][ T5101] RBP: 0000000000000004 R08: 00007ffdb83d1be0 R09: 0000000000005ddc [ 95.007951][ T5101] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 95.011521][ T5101] R13: 00007ffdb83d1be0 R14: 0000000000000003 R15: 0000000001000000 [ 95.014796][ T5101] [ 97.040051][ T9] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 15:36:12 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff34e2360 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003fd RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002cfe578 R8 =ffffffff85496956 R9 =1ffff1100674a046 R10=dffffc0000000000 R11=ffffffff85496910 R12=dffffc0000000000 R13=ffffffff9a40cf00 R14=00000000000003fd R15=dffffc0000000000 RIP=ffffffff85496986 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 0000555575e9b380 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=00007fc203fce000 CR3=000000003fbe6000 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 00007ffdb83d1d20 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fcb0a392560 00007fcb0a3865d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fcb0a378064 00007fcb0a38b240 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