Warning: Permanently added '[localhost]:30077' (ED25519) to the list of known hosts. executing program [ 92.743749][ T5102] loop0: detected capacity change from 0 to 32768 [ 92.759843][ T5102] ======================================================= [ 92.759843][ T5102] WARNING: The mand mount option has been deprecated and [ 92.759843][ T5102] and is ignored by this kernel. Remove the mand [ 92.759843][ T5102] option from the mount to silence this warning. [ 92.759843][ T5102] ======================================================= [ 92.926147][ 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 [ 92.951253][ T5102] [ 92.952208][ T5102] ============================================ [ 92.954565][ T5102] WARNING: possible recursive locking detected [ 92.957408][ T5102] 6.12.0-rc1-syzkaller-00046-g7ec462100ef9 #0 Not tainted [ 92.961586][ T5102] -------------------------------------------- [ 92.964164][ T5102] syz-executor301/5102 is trying to acquire lock: [ 92.966690][ T5102] ffff888041400908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 92.971115][ T5102] [ 92.971115][ T5102] but task is already holding lock: [ 92.974751][ T5102] ffff888041400908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 92.978561][ T5102] [ 92.978561][ T5102] other info that might help us debug this: [ 92.981723][ T5102] Possible unsafe locking scenario: [ 92.981723][ T5102] [ 92.984896][ T5102] CPU0 [ 92.986385][ T5102] ---- [ 92.987998][ T5102] lock(&c->sb_lock); [ 92.989833][ T5102] lock(&c->sb_lock); [ 92.991345][ T5102] [ 92.991345][ T5102] *** DEADLOCK *** [ 92.991345][ T5102] [ 92.994345][ T5102] May be due to missing lock nesting notation [ 92.994345][ T5102] [ 92.997291][ T5102] 2 locks held by syz-executor301/5102: [ 92.999681][ T5102] #0: ffff888041400278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 93.003971][ T5102] #1: ffff888041400908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 93.007894][ T5102] [ 93.007894][ T5102] stack backtrace: [ 93.010053][ T5102] CPU: 0 UID: 0 PID: 5102 Comm: syz-executor301 Not tainted 6.12.0-rc1-syzkaller-00046-g7ec462100ef9 #0 [ 93.013886][ T5102] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 93.017901][ T5102] Call Trace: [ 93.019279][ T5102] [ 93.020574][ T5102] dump_stack_lvl+0x241/0x360 [ 93.022599][ T5102] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.024643][ T5102] ? __pfx__printk+0x10/0x10 [ 93.026288][ T5102] ? lockdep_unlock+0x16a/0x300 [ 93.028189][ T5102] print_deadlock_bug+0x483/0x620 [ 93.030189][ T5102] validate_chain+0x15e2/0x5920 [ 93.032186][ T5102] ? __pfx___bfs+0x10/0x10 [ 93.034223][ T5102] ? __pfx_validate_chain+0x10/0x10 [ 93.036612][ T5102] ? mark_lock+0x9a/0x360 [ 93.038583][ T5102] ? __lock_acquire+0x1384/0x2050 [ 93.040501][ T5102] ? mark_lock+0x9a/0x360 [ 93.042095][ T5102] __lock_acquire+0x1384/0x2050 [ 93.043903][ T5102] lock_acquire+0x1ed/0x550 [ 93.046054][ T5102] ? bch2_replicas_entry_validate+0x2a/0x80 [ 93.049195][ T5102] ? __pfx_lock_acquire+0x10/0x10 [ 93.051969][ T5102] ? lockdep_hardirqs_on+0x99/0x150 [ 93.054588][ T5102] ? __pfx___might_resched+0x10/0x10 [ 93.056417][ T5102] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 93.058556][ T5102] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 93.060527][ T5102] ? stack_trace_save+0x118/0x1d0 [ 93.062324][ T5102] __mutex_lock+0x136/0xd70 [ 93.063886][ T5102] ? bch2_replicas_entry_validate+0x2a/0x80 [ 93.066155][ T5102] ? kasan_save_track+0x51/0x80 [ 93.068352][ T5102] ? kasan_save_track+0x3f/0x80 [ 93.070614][ T5102] ? __kasan_kmalloc+0x98/0xb0 [ 93.072693][ T5102] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 93.075255][ T5102] ? kmemdup_noprof+0x2a/0x60 [ 93.077164][ T5102] ? bch2_read_superblock_clean+0xd6/0x520 [ 93.079545][ T5102] ? bch2_replicas_entry_validate+0x2a/0x80 [ 93.081897][ T5102] ? bch2_fs_start+0x356/0x5b0 [ 93.084038][ T5102] ? __pfx___mutex_lock+0x10/0x10 [ 93.086309][ T5102] ? do_syscall_64+0xf3/0x230 [ 93.088441][ T5102] bch2_replicas_entry_validate+0x2a/0x80 [ 93.090815][ T5102] journal_entry_data_usage_validate+0x2b6/0x690 [ 93.093242][ T5102] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 93.095856][ T5102] ? journal_entry_usage_validate+0xc2/0x360 [ 93.098180][ T5102] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 93.101148][ T5102] ? rcu_is_watching+0x15/0xb0 [ 93.103601][ T5102] ? trace_kmalloc+0x1f/0xd0 [ 93.105599][ T5102] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 93.108026][ T5102] ? kmemdup_noprof+0x45/0x60 [ 93.109681][ T5102] ? bch2_journal_entry_validate+0x6a/0xf0 [ 93.111869][ T5102] bch2_read_superblock_clean+0x207/0x520 [ 93.114097][ T5102] bch2_fs_recovery+0x1f4/0x39c0 [ 93.116205][ T5102] ? mark_lock+0x9a/0x360 [ 93.118400][ T5102] ? __lock_acquire+0x1384/0x2050 [ 93.120980][ T5102] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 93.123343][ T5102] ? __pfx_lock_release+0x10/0x10 [ 93.125308][ T5102] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 93.127357][ T5102] ? __pfx_lock_release+0x10/0x10 [ 93.129319][ T5102] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 93.131807][ T5102] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 93.134329][ T5102] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 93.136880][ T5102] ? llist_reverse_order+0x72/0x90 [ 93.139348][ T5102] bch2_fs_start+0x356/0x5b0 [ 93.141671][ T5102] bch2_fs_get_tree+0xd68/0x1710 [ 93.143889][ T5102] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 93.146137][ T5102] ? generic_parse_monolithic+0x387/0x400 [ 93.148379][ T5102] ? apparmor_capable+0x13b/0x1b0 [ 93.150266][ T5102] vfs_get_tree+0x90/0x2b0 [ 93.151874][ T5102] do_new_mount+0x2be/0xb40 [ 93.153864][ T5102] ? __pfx_do_new_mount+0x10/0x10 [ 93.156236][ T5102] __se_sys_mount+0x2d6/0x3c0 [ 93.158857][ T5102] ? __pfx___se_sys_mount+0x10/0x10 [ 93.161790][ T5102] ? do_syscall_64+0x100/0x230 [ 93.163765][ T5102] ? __x64_sys_mount+0x20/0xc0 [ 93.165665][ T5102] do_syscall_64+0xf3/0x230 [ 93.167506][ T5102] ? clear_bhb_loop+0x35/0x90 [ 93.169284][ T5102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.171715][ T5102] RIP: 0033:0x7f51f00cb06a [ 93.174074][ 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 [ 93.182666][ T5102] RSP: 002b:00007ffffc29f498 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 93.185998][ T5102] RAX: ffffffffffffffda RBX: 00007ffffc29f4b0 RCX: 00007f51f00cb06a [ 93.188799][ T5102] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffffc29f4b0 [ 93.191668][ T5102] RBP: 0000000000000004 R08: 00007ffffc29f4f0 R09: 0000000000005daf [ 93.194883][ T5102] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 93.198676][ T5102] R13: 00007ffffc29f4f0 R14: 0000000000000003 R15: 0000000001000000 [ 93.202138][ T5102] [ 97.038818][ T9] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 14:26:00 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000031 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002c7e570 R8 =ffffffff85496a1b R9 =1ffff11003d95046 R10=dffffc0000000000 R11=ffffffff854969d0 R12=dffffc0000000000 R13=ffffffff9a40cf01 R14=0000000000000031 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 0000555590f31380 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=000055c5a0c02f40 CR3=0000000012628000 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=00000000fefc0000 Opmask01=000000000000007f Opmask02=00000000fffeff7f Opmask03=0000000000000000 Opmask04=00000000ffffffff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 003d45444f4d5645 44003d524f4e494d ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffc6ddefe80 0000003000000010 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000ff00000000 00000000ff000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000ff000000 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 722f766564752f62 696c2f7273752f00 534b4e494c564544 00454d414e564544 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4f4a414d003d454d 414e564544003d58 45444e494649003d 4550595456454400 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4f4a414d0018454d 414e564544001858 45444e4946490018 4550595456454400 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000006c7463 2d30736665686361 63622f7366656863 6163622f6c617574 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000055c0fce467a8 0000000000000041 0000000000007374 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7b27697a787c7a30 23333a3a38263342 4943213f395b2249 5a6e786b6e646b7e ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3a2648393a3a264b 393a3a263e393a3a 2648383a3a26483b 3a0a00307f617930 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 692054524f50202c 2064696c61696d20 0070253a20252054 524f504d49005452 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 692020520050202c 2025204f504d4900 0061253a20252000 2527204d49005452 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