Warning: Permanently added '[localhost]:22476' (ED25519) to the list of known hosts. executing program syzkaller login: [ 88.469050][ T5104] loop0: detected capacity change from 0 to 32768 [ 88.489037][ T5104] ======================================================= [ 88.489037][ T5104] WARNING: The mand mount option has been deprecated and [ 88.489037][ T5104] and is ignored by this kernel. Remove the mand [ 88.489037][ T5104] option from the mount to silence this warning. [ 88.489037][ T5104] ======================================================= [ 88.639287][ T5104] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=compression=zstd,norecovery,recovery_pass_last=check_dirents,nojournal_transaction_names,version_upgrade=none [ 88.646263][ T5104] [ 88.647438][ T5104] ============================================ [ 88.651158][ T5104] WARNING: possible recursive locking detected [ 88.653757][ T5104] 6.12.0-rc1-syzkaller-00042-gf23aa4c0761a #0 Not tainted [ 88.657605][ T5104] -------------------------------------------- [ 88.660152][ T5104] syz-executor801/5104 is trying to acquire lock: [ 88.662666][ T5104] ffff888041200908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 88.666538][ T5104] [ 88.666538][ T5104] but task is already holding lock: [ 88.670088][ T5104] ffff888041200908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 88.674051][ T5104] [ 88.674051][ T5104] other info that might help us debug this: [ 88.677232][ T5104] Possible unsafe locking scenario: [ 88.677232][ T5104] [ 88.679952][ T5104] CPU0 [ 88.681275][ T5104] ---- [ 88.682675][ T5104] lock(&c->sb_lock); [ 88.684411][ T5104] lock(&c->sb_lock); [ 88.686192][ T5104] [ 88.686192][ T5104] *** DEADLOCK *** [ 88.686192][ T5104] [ 88.690773][ T5104] May be due to missing lock nesting notation [ 88.690773][ T5104] [ 88.695243][ T5104] 2 locks held by syz-executor801/5104: [ 88.697486][ T5104] #0: ffff888041200278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 88.701085][ T5104] #1: ffff888041200908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 88.705190][ T5104] [ 88.705190][ T5104] stack backtrace: [ 88.707494][ T5104] CPU: 0 UID: 0 PID: 5104 Comm: syz-executor801 Not tainted 6.12.0-rc1-syzkaller-00042-gf23aa4c0761a #0 [ 88.711936][ T5104] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.716724][ T5104] Call Trace: [ 88.718148][ T5104] [ 88.719486][ T5104] dump_stack_lvl+0x241/0x360 [ 88.721287][ T5104] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.723269][ T5104] ? __pfx__printk+0x10/0x10 [ 88.725116][ T5104] ? lockdep_unlock+0x16a/0x300 [ 88.727051][ T5104] print_deadlock_bug+0x483/0x620 [ 88.729687][ T5104] validate_chain+0x15e2/0x5920 [ 88.732784][ T5104] ? __pfx___bfs+0x10/0x10 [ 88.735315][ T5104] ? __pfx_validate_chain+0x10/0x10 [ 88.737312][ T5104] ? mark_lock+0x9a/0x360 [ 88.738834][ T5104] ? __lock_acquire+0x1384/0x2050 [ 88.740821][ T5104] ? mark_lock+0x9a/0x360 [ 88.742439][ T5104] __lock_acquire+0x1384/0x2050 [ 88.744356][ T5104] lock_acquire+0x1ed/0x550 [ 88.746149][ T5104] ? bch2_replicas_entry_validate+0x2a/0x80 [ 88.748470][ T5104] ? __pfx_lock_acquire+0x10/0x10 [ 88.750489][ T5104] ? lockdep_hardirqs_on+0x99/0x150 [ 88.752465][ T5104] ? __pfx___might_resched+0x10/0x10 [ 88.754511][ T5104] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 88.757107][ T5104] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 88.759798][ T5104] ? stack_trace_save+0x118/0x1d0 [ 88.762211][ T5104] __mutex_lock+0x136/0xd70 [ 88.764289][ T5104] ? bch2_replicas_entry_validate+0x2a/0x80 [ 88.766429][ T5104] ? kasan_save_track+0x51/0x80 [ 88.768132][ T5104] ? kasan_save_track+0x3f/0x80 [ 88.769795][ T5104] ? __kasan_kmalloc+0x98/0xb0 [ 88.771436][ T5104] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 88.773711][ T5104] ? kmemdup_noprof+0x2a/0x60 [ 88.775269][ T5104] ? bch2_read_superblock_clean+0xd6/0x520 [ 88.777265][ T5104] ? bch2_replicas_entry_validate+0x2a/0x80 [ 88.779509][ T5104] ? bch2_fs_start+0x356/0x5b0 [ 88.782132][ T5104] ? __pfx___mutex_lock+0x10/0x10 [ 88.784717][ T5104] ? do_syscall_64+0xf3/0x230 [ 88.786595][ T5104] bch2_replicas_entry_validate+0x2a/0x80 [ 88.788839][ T5104] journal_entry_data_usage_validate+0x2b6/0x690 [ 88.791334][ T5104] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 88.794085][ T5104] ? journal_entry_usage_validate+0xc2/0x360 [ 88.796661][ T5104] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 88.799493][ T5104] ? rcu_is_watching+0x15/0xb0 [ 88.801433][ T5104] ? trace_kmalloc+0x1f/0xd0 [ 88.803929][ T5104] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 88.807787][ T5104] ? kmemdup_noprof+0x45/0x60 [ 88.810180][ T5104] ? bch2_journal_entry_validate+0x6a/0xf0 [ 88.812838][ T5104] bch2_read_superblock_clean+0x207/0x520 [ 88.815073][ T5104] bch2_fs_recovery+0x1f4/0x39c0 [ 88.816982][ T5104] ? mark_lock+0x9a/0x360 [ 88.818677][ T5104] ? __lock_acquire+0x1384/0x2050 [ 88.820575][ T5104] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 88.822544][ T5104] ? __pfx_lock_release+0x10/0x10 [ 88.824645][ T5104] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 88.826847][ T5104] ? __pfx_lock_release+0x10/0x10 [ 88.828819][ T5104] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 88.831161][ T5104] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 88.833952][ T5104] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 88.836802][ T5104] ? llist_reverse_order+0x72/0x90 [ 88.839308][ T5104] bch2_fs_start+0x356/0x5b0 [ 88.841251][ T5104] bch2_fs_get_tree+0xd68/0x1710 [ 88.843326][ T5104] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 88.845831][ T5104] ? generic_parse_monolithic+0x387/0x400 [ 88.848237][ T5104] ? apparmor_capable+0x13b/0x1b0 [ 88.850279][ T5104] vfs_get_tree+0x90/0x2b0 [ 88.852211][ T5104] do_new_mount+0x2be/0xb40 [ 88.854279][ T5104] ? __pfx_do_new_mount+0x10/0x10 [ 88.856548][ T5104] __se_sys_mount+0x2d6/0x3c0 [ 88.858597][ T5104] ? __pfx___se_sys_mount+0x10/0x10 [ 88.860776][ T5104] ? do_syscall_64+0x100/0x230 [ 88.862685][ T5104] ? __x64_sys_mount+0x20/0xc0 [ 88.864547][ T5104] do_syscall_64+0xf3/0x230 [ 88.866356][ T5104] ? clear_bhb_loop+0x35/0x90 [ 88.868334][ T5104] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.870905][ T5104] RIP: 0033:0x7f07c5d6e06a [ 88.873145][ T5104] 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 [ 88.881030][ T5104] RSP: 002b:00007ffd97da1fc8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 88.884556][ T5104] RAX: ffffffffffffffda RBX: 00007ffd97da1fe0 RCX: 00007f07c5d6e06a [ 88.888364][ T5104] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffd97da1fe0 [ 88.891891][ T5104] RBP: 0000000000000004 R08: 00007ffd97da2020 R09: 0000000000005daf [ 88.894957][ T5104] R10: 0000000000000046 R11: 0000000000000282 R12: 0000000000000046 [ 88.898047][ T5104] R13: 00007ffd97da2020 R14: 0000000000000003 R15: 0000000001000000 [ 88.901969][ T5104] [ 91.868213][ T785] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 03:42:49 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000073 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000179e570 R8 =ffffffff85496a1b R9 =1ffff11003d9c046 R10=dffffc0000000000 R11=ffffffff854969d0 R12=dffffc0000000000 R13=ffffffff9a40cf03 R14=0000000000000073 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 000055557fe0b380 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=00005572d961dc40 CR3=0000000011dc0000 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 00007ffd97da2160 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f07c5df1620 00007f07c5de55d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f07c5dd7124 00007f07c5dea240 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