Warning: Permanently added '[localhost]:38214' (ED25519) to the list of known hosts. executing program [ 84.424930][ T5096] loop0: detected capacity change from 0 to 32768 [ 84.440417][ T5096] ======================================================= [ 84.440417][ T5096] WARNING: The mand mount option has been deprecated and [ 84.440417][ T5096] and is ignored by this kernel. Remove the mand [ 84.440417][ T5096] option from the mount to silence this warning. [ 84.440417][ T5096] ======================================================= [ 84.558623][ T5096] 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 [ 84.568334][ T5096] [ 84.569324][ T5096] ============================================ [ 84.571572][ T5096] WARNING: possible recursive locking detected [ 84.573939][ T5096] 6.12.0-rc1-syzkaller-00046-g7ec462100ef9 #0 Not tainted [ 84.578164][ T5096] -------------------------------------------- [ 84.580928][ T5096] syz-executor272/5096 is trying to acquire lock: [ 84.583696][ T5096] ffff888040880908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 84.588773][ T5096] [ 84.588773][ T5096] but task is already holding lock: [ 84.592481][ T5096] ffff888040880908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 84.596836][ T5096] [ 84.596836][ T5096] other info that might help us debug this: [ 84.599911][ T5096] Possible unsafe locking scenario: [ 84.599911][ T5096] [ 84.602904][ T5096] CPU0 [ 84.604385][ T5096] ---- [ 84.605796][ T5096] lock(&c->sb_lock); [ 84.607466][ T5096] lock(&c->sb_lock); [ 84.608967][ T5096] [ 84.608967][ T5096] *** DEADLOCK *** [ 84.608967][ T5096] [ 84.612321][ T5096] May be due to missing lock nesting notation [ 84.612321][ T5096] [ 84.615589][ T5096] 2 locks held by syz-executor272/5096: [ 84.617774][ T5096] #0: ffff888040880278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 84.621296][ T5096] #1: ffff888040880908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 84.625183][ T5096] [ 84.625183][ T5096] stack backtrace: [ 84.627718][ T5096] CPU: 0 UID: 0 PID: 5096 Comm: syz-executor272 Not tainted 6.12.0-rc1-syzkaller-00046-g7ec462100ef9 #0 [ 84.632923][ T5096] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 84.637537][ T5096] Call Trace: [ 84.638808][ T5096] [ 84.639932][ T5096] dump_stack_lvl+0x241/0x360 [ 84.641571][ T5096] ? __pfx_dump_stack_lvl+0x10/0x10 [ 84.643334][ T5096] ? __pfx__printk+0x10/0x10 [ 84.645163][ T5096] ? lockdep_unlock+0x16a/0x300 [ 84.647073][ T5096] print_deadlock_bug+0x483/0x620 [ 84.649137][ T5096] validate_chain+0x15e2/0x5920 [ 84.651096][ T5096] ? __pfx___bfs+0x10/0x10 [ 84.652757][ T5096] ? __pfx_validate_chain+0x10/0x10 [ 84.654751][ T5096] ? mark_lock+0x9a/0x360 [ 84.656529][ T5096] ? __lock_acquire+0x1384/0x2050 [ 84.658817][ T5096] ? mark_lock+0x9a/0x360 [ 84.660396][ T5096] __lock_acquire+0x1384/0x2050 [ 84.662257][ T5096] lock_acquire+0x1ed/0x550 [ 84.664059][ T5096] ? bch2_replicas_entry_validate+0x2a/0x80 [ 84.666234][ T5096] ? __pfx_lock_acquire+0x10/0x10 [ 84.668215][ T5096] ? lockdep_hardirqs_on+0x99/0x150 [ 84.670541][ T5096] ? __pfx___might_resched+0x10/0x10 [ 84.673309][ T5096] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 84.676068][ T5096] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 84.678367][ T5096] ? stack_trace_save+0x118/0x1d0 [ 84.680239][ T5096] __mutex_lock+0x136/0xd70 [ 84.681978][ T5096] ? bch2_replicas_entry_validate+0x2a/0x80 [ 84.684171][ T5096] ? kasan_save_track+0x51/0x80 [ 84.685962][ T5096] ? kasan_save_track+0x3f/0x80 [ 84.687766][ T5096] ? __kasan_kmalloc+0x98/0xb0 [ 84.689843][ T5096] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 84.692723][ T5096] ? kmemdup_noprof+0x2a/0x60 [ 84.694785][ T5096] ? bch2_read_superblock_clean+0xd6/0x520 [ 84.697086][ T5096] ? bch2_replicas_entry_validate+0x2a/0x80 [ 84.699270][ T5096] ? bch2_fs_start+0x356/0x5b0 [ 84.700949][ T5096] ? __pfx___mutex_lock+0x10/0x10 [ 84.702855][ T5096] ? do_syscall_64+0xf3/0x230 [ 84.705086][ T5096] bch2_replicas_entry_validate+0x2a/0x80 [ 84.708513][ T5096] journal_entry_data_usage_validate+0x2b6/0x690 [ 84.711064][ T5096] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 84.713535][ T5096] ? journal_entry_usage_validate+0xc2/0x360 [ 84.715660][ T5096] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 84.717967][ T5096] ? rcu_is_watching+0x15/0xb0 [ 84.719705][ T5096] ? trace_kmalloc+0x1f/0xd0 [ 84.721471][ T5096] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 84.724318][ T5096] ? kmemdup_noprof+0x45/0x60 [ 84.726521][ T5096] ? bch2_journal_entry_validate+0x6a/0xf0 [ 84.728502][ T5096] bch2_read_superblock_clean+0x207/0x520 [ 84.730330][ T5096] bch2_fs_recovery+0x1f4/0x39c0 [ 84.732015][ T5096] ? mark_lock+0x9a/0x360 [ 84.733611][ T5096] ? __lock_acquire+0x1384/0x2050 [ 84.735558][ T5096] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 84.737716][ T5096] ? __pfx_lock_release+0x10/0x10 [ 84.740079][ T5096] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 84.742429][ T5096] ? __pfx_lock_release+0x10/0x10 [ 84.744312][ T5096] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 84.746233][ T5096] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 84.748265][ T5096] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 84.750680][ T5096] ? llist_reverse_order+0x72/0x90 [ 84.752992][ T5096] bch2_fs_start+0x356/0x5b0 [ 84.755144][ T5096] bch2_fs_get_tree+0xd68/0x1710 [ 84.757234][ T5096] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 84.759188][ T5096] ? generic_parse_monolithic+0x387/0x400 [ 84.761226][ T5096] ? apparmor_capable+0x13b/0x1b0 [ 84.762931][ T5096] vfs_get_tree+0x90/0x2b0 [ 84.764412][ T5096] do_new_mount+0x2be/0xb40 [ 84.766306][ T5096] ? __pfx_do_new_mount+0x10/0x10 [ 84.768352][ T5096] __se_sys_mount+0x2d6/0x3c0 [ 84.770629][ T5096] ? __pfx___se_sys_mount+0x10/0x10 [ 84.773225][ T5096] ? do_syscall_64+0x100/0x230 [ 84.775358][ T5096] ? __x64_sys_mount+0x20/0xc0 [ 84.777660][ T5096] do_syscall_64+0xf3/0x230 [ 84.779613][ T5096] ? clear_bhb_loop+0x35/0x90 [ 84.781557][ T5096] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.784050][ T5096] RIP: 0033:0x7fc0198be06a [ 84.785935][ T5096] 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 [ 84.796617][ T5096] RSP: 002b:00007ffcc8ecc8a8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 84.800176][ T5096] RAX: ffffffffffffffda RBX: 00007ffcc8ecc8c0 RCX: 00007fc0198be06a [ 84.804072][ T5096] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffcc8ecc8c0 [ 84.807949][ T5096] RBP: 0000000000000004 R08: 00007ffcc8ecc900 R09: 0000000000005daf [ 84.812094][ T5096] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 84.816359][ T5096] R13: 00007ffcc8ecc900 R14: 0000000000000003 R15: 0000000001000000 [ 84.819731][ T5096] [ 91.762299][ T8] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 19:55:56 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000034 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002d5e570 R8 =ffffffff85496a1b R9 =1ffff110065bb046 R10=dffffc0000000000 R11=ffffffff854969d0 R12=dffffc0000000000 R13=ffffffff9a40cf10 R14=0000000000000034 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 000055558a121380 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=00005587b1cfed90 CR3=00000000403fc000 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 00007ffcc8ecca40 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fc019941620 00007fc0199355d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fc019927124 00007fc01993a240 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