Warning: Permanently added '[localhost]:35368' (ED25519) to the list of known hosts. executing program syzkaller login: [ 86.919980][ T5097] loop0: detected capacity change from 0 to 32768 [ 86.930827][ T5097] ======================================================= [ 86.930827][ T5097] WARNING: The mand mount option has been deprecated and [ 86.930827][ T5097] and is ignored by this kernel. Remove the mand [ 86.930827][ T5097] option from the mount to silence this warning. [ 86.930827][ T5097] ======================================================= [ 87.053423][ T5097] 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 [ 87.062008][ T5097] [ 87.063012][ T5097] ============================================ [ 87.065388][ T5097] WARNING: possible recursive locking detected [ 87.067758][ T5097] 6.12.0-rc1-syzkaller #0 Not tainted [ 87.070898][ T5097] -------------------------------------------- [ 87.073248][ T5097] syz-executor148/5097 is trying to acquire lock: [ 87.075741][ T5097] ffff888041280908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 87.079782][ T5097] [ 87.079782][ T5097] but task is already holding lock: [ 87.082569][ T5097] ffff888041280908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 87.086110][ T5097] [ 87.086110][ T5097] other info that might help us debug this: [ 87.089131][ T5097] Possible unsafe locking scenario: [ 87.089131][ T5097] [ 87.092286][ T5097] CPU0 [ 87.094022][ T5097] ---- [ 87.095636][ T5097] lock(&c->sb_lock); [ 87.097586][ T5097] lock(&c->sb_lock); [ 87.099265][ T5097] [ 87.099265][ T5097] *** DEADLOCK *** [ 87.099265][ T5097] [ 87.102435][ T5097] May be due to missing lock nesting notation [ 87.102435][ T5097] [ 87.105630][ T5097] 2 locks held by syz-executor148/5097: [ 87.107769][ T5097] #0: ffff888041280278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 87.111014][ T5097] #1: ffff888041280908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 87.114490][ T5097] [ 87.114490][ T5097] stack backtrace: [ 87.116811][ T5097] CPU: 0 UID: 0 PID: 5097 Comm: syz-executor148 Not tainted 6.12.0-rc1-syzkaller #0 [ 87.120878][ T5097] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 87.124920][ T5097] Call Trace: [ 87.126329][ T5097] [ 87.127497][ T5097] dump_stack_lvl+0x241/0x360 [ 87.129372][ T5097] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.131461][ T5097] ? __pfx__printk+0x10/0x10 [ 87.133356][ T5097] ? lockdep_unlock+0x16a/0x300 [ 87.135290][ T5097] print_deadlock_bug+0x483/0x620 [ 87.137245][ T5097] validate_chain+0x15e2/0x5920 [ 87.139104][ T5097] ? __pfx___bfs+0x10/0x10 [ 87.140813][ T5097] ? __pfx_validate_chain+0x10/0x10 [ 87.142846][ T5097] ? mark_lock+0x9a/0x360 [ 87.144569][ T5097] ? __lock_acquire+0x1384/0x2050 [ 87.146572][ T5097] ? mark_lock+0x9a/0x360 [ 87.148310][ T5097] __lock_acquire+0x1384/0x2050 [ 87.150239][ T5097] lock_acquire+0x1ed/0x550 [ 87.152100][ T5097] ? bch2_replicas_entry_validate+0x2a/0x80 [ 87.154370][ T5097] ? __pfx_lock_acquire+0x10/0x10 [ 87.156324][ T5097] ? lockdep_hardirqs_on+0x99/0x150 [ 87.158355][ T5097] ? __pfx___might_resched+0x10/0x10 [ 87.160429][ T5097] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 87.162661][ T5097] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 87.165039][ T5097] ? stack_trace_save+0x118/0x1d0 [ 87.166984][ T5097] __mutex_lock+0x136/0xd70 [ 87.168791][ T5097] ? bch2_replicas_entry_validate+0x2a/0x80 [ 87.171266][ T5097] ? kasan_save_track+0x51/0x80 [ 87.173224][ T5097] ? kasan_save_track+0x3f/0x80 [ 87.175179][ T5097] ? __kasan_kmalloc+0x98/0xb0 [ 87.177096][ T5097] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 87.179550][ T5097] ? kmemdup_noprof+0x2a/0x60 [ 87.181329][ T5097] ? bch2_read_superblock_clean+0xd6/0x520 [ 87.183602][ T5097] ? bch2_replicas_entry_validate+0x2a/0x80 [ 87.185832][ T5097] ? bch2_fs_start+0x356/0x5b0 [ 87.187685][ T5097] ? __pfx___mutex_lock+0x10/0x10 [ 87.189686][ T5097] ? do_syscall_64+0xf3/0x230 [ 87.191551][ T5097] bch2_replicas_entry_validate+0x2a/0x80 [ 87.193841][ T5097] journal_entry_data_usage_validate+0x2b6/0x690 [ 87.196332][ T5097] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 87.198864][ T5097] ? journal_entry_usage_validate+0xc2/0x360 [ 87.201104][ T5097] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 87.203574][ T5097] ? rcu_is_watching+0x15/0xb0 [ 87.205412][ T5097] ? trace_kmalloc+0x1f/0xd0 [ 87.207371][ T5097] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 87.209938][ T5097] ? kmemdup_noprof+0x45/0x60 [ 87.211855][ T5097] ? bch2_journal_entry_validate+0x6a/0xf0 [ 87.214349][ T5097] bch2_read_superblock_clean+0x207/0x520 [ 87.216733][ T5097] bch2_fs_recovery+0x1f4/0x39c0 [ 87.218802][ T5097] ? mark_lock+0x9a/0x360 [ 87.220545][ T5097] ? __lock_acquire+0x1384/0x2050 [ 87.222592][ T5097] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 87.224718][ T5097] ? __pfx_lock_release+0x10/0x10 [ 87.226490][ T5097] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 87.228661][ T5097] ? __pfx_lock_release+0x10/0x10 [ 87.230648][ T5097] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 87.232803][ T5097] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 87.235158][ T5097] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 87.237348][ T5097] ? llist_reverse_order+0x72/0x90 [ 87.239478][ T5097] bch2_fs_start+0x356/0x5b0 [ 87.241387][ T5097] bch2_fs_get_tree+0xd68/0x1710 [ 87.243427][ T5097] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 87.245549][ T5097] ? generic_parse_monolithic+0x387/0x400 [ 87.247758][ T5097] ? apparmor_capable+0x13b/0x1b0 [ 87.249672][ T5097] vfs_get_tree+0x90/0x2b0 [ 87.251397][ T5097] do_new_mount+0x2be/0xb40 [ 87.253076][ T5097] ? __pfx_do_new_mount+0x10/0x10 [ 87.254768][ T5097] __se_sys_mount+0x2d6/0x3c0 [ 87.256503][ T5097] ? __pfx___se_sys_mount+0x10/0x10 [ 87.258424][ T5097] ? do_syscall_64+0x100/0x230 [ 87.260320][ T5097] ? __x64_sys_mount+0x20/0xc0 [ 87.262359][ T5097] do_syscall_64+0xf3/0x230 [ 87.264252][ T5097] ? clear_bhb_loop+0x35/0x90 [ 87.266223][ T5097] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.268664][ T5097] RIP: 0033:0x7f19c249d1ea [ 87.270430][ T5097] 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 [ 87.277793][ T5097] RSP: 002b:00007ffd555bfeb8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 87.281007][ T5097] RAX: ffffffffffffffda RBX: 00007ffd555bfed0 RCX: 00007f19c249d1ea [ 87.283927][ T5097] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffd555bfed0 [ 87.286993][ T5097] RBP: 0000000000000004 R08: 00007ffd555bff10 R09: 0000000000005daf [ 87.289986][ T5097] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 87.293097][ T5097] R13: 00007ffd555bff10 R14: 0000000000000003 R15: 0000000001000000 [ 87.296112][ T5097] [ 91.661551][ T9] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 21:59:38 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff34e2360 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003fd RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002d9e578 R8 =ffffffff854968d6 R9 =1ffff11006773046 R10=dffffc0000000000 R11=ffffffff85496890 R12=dffffc0000000000 R13=ffffffff9a40cf00 R14=00000000000003fd R15=dffffc0000000000 RIP=ffffffff85496906 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 00005555559d6380 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=000055a5df7e9a58 CR3=000000003d8dc000 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 00007ffd555c0050 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f19c2521620 00007f19c25155d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f19c2507044 00007f19c251a240 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