Warning: Permanently added '[localhost]:5277' (ED25519) to the list of known hosts. executing program syzkaller login: [ 94.087295][ T5104] loop0: detected capacity change from 0 to 32768 [ 94.103495][ T5104] ======================================================= [ 94.103495][ T5104] WARNING: The mand mount option has been deprecated and [ 94.103495][ T5104] and is ignored by this kernel. Remove the mand [ 94.103495][ T5104] option from the mount to silence this warning. [ 94.103495][ T5104] ======================================================= [ 94.220433][ T5104] 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 [ 94.229089][ T5104] [ 94.230150][ T5104] ============================================ [ 94.232575][ T5104] WARNING: possible recursive locking detected [ 94.234741][ T5104] 6.12.0-rc1-syzkaller-00042-gf23aa4c0761a #0 Not tainted [ 94.237122][ T5104] -------------------------------------------- [ 94.239235][ T5104] syz-executor177/5104 is trying to acquire lock: [ 94.241880][ T5104] ffff888040d00908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 94.247742][ T5104] [ 94.247742][ T5104] but task is already holding lock: [ 94.251239][ T5104] ffff888040d00908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.255312][ T5104] [ 94.255312][ T5104] other info that might help us debug this: [ 94.258294][ T5104] Possible unsafe locking scenario: [ 94.258294][ T5104] [ 94.261293][ T5104] CPU0 [ 94.262680][ T5104] ---- [ 94.264014][ T5104] lock(&c->sb_lock); [ 94.265657][ T5104] lock(&c->sb_lock); [ 94.267371][ T5104] [ 94.267371][ T5104] *** DEADLOCK *** [ 94.267371][ T5104] [ 94.271422][ T5104] May be due to missing lock nesting notation [ 94.271422][ T5104] [ 94.275171][ T5104] 2 locks held by syz-executor177/5104: [ 94.277284][ T5104] #0: ffff888040d00278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 94.280640][ T5104] #1: ffff888040d00908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.284471][ T5104] [ 94.284471][ T5104] stack backtrace: [ 94.287007][ T5104] CPU: 0 UID: 0 PID: 5104 Comm: syz-executor177 Not tainted 6.12.0-rc1-syzkaller-00042-gf23aa4c0761a #0 [ 94.292011][ T5104] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 94.296305][ T5104] Call Trace: [ 94.297622][ T5104] [ 94.298811][ T5104] dump_stack_lvl+0x241/0x360 [ 94.301115][ T5104] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.304081][ T5104] ? __pfx__printk+0x10/0x10 [ 94.306263][ T5104] ? lockdep_unlock+0x16a/0x300 [ 94.308198][ T5104] print_deadlock_bug+0x483/0x620 [ 94.310086][ T5104] validate_chain+0x15e2/0x5920 [ 94.312001][ T5104] ? __pfx___bfs+0x10/0x10 [ 94.313694][ T5104] ? __pfx_validate_chain+0x10/0x10 [ 94.315680][ T5104] ? mark_lock+0x9a/0x360 [ 94.317765][ T5104] ? __lock_acquire+0x1384/0x2050 [ 94.320897][ T5104] ? mark_lock+0x9a/0x360 [ 94.322864][ T5104] __lock_acquire+0x1384/0x2050 [ 94.324805][ T5104] lock_acquire+0x1ed/0x550 [ 94.326608][ T5104] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.328934][ T5104] ? __pfx_lock_acquire+0x10/0x10 [ 94.331115][ T5104] ? lockdep_hardirqs_on+0x99/0x150 [ 94.333806][ T5104] ? __pfx___might_resched+0x10/0x10 [ 94.336652][ T5104] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 94.339328][ T5104] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 94.341786][ T5104] ? stack_trace_save+0x118/0x1d0 [ 94.343661][ T5104] __mutex_lock+0x136/0xd70 [ 94.345383][ T5104] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.347645][ T5104] ? kasan_save_track+0x51/0x80 [ 94.349592][ T5104] ? kasan_save_track+0x3f/0x80 [ 94.351768][ T5104] ? __kasan_kmalloc+0x98/0xb0 [ 94.354083][ T5104] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 94.357528][ T5104] ? kmemdup_noprof+0x2a/0x60 [ 94.359543][ T5104] ? bch2_read_superblock_clean+0xd6/0x520 [ 94.361724][ T5104] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.364042][ T5104] ? bch2_fs_start+0x356/0x5b0 [ 94.365938][ T5104] ? __pfx___mutex_lock+0x10/0x10 [ 94.367989][ T5104] ? do_syscall_64+0xf3/0x230 [ 94.370300][ T5104] bch2_replicas_entry_validate+0x2a/0x80 [ 94.373267][ T5104] journal_entry_data_usage_validate+0x2b6/0x690 [ 94.376230][ T5104] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 94.378878][ T5104] ? journal_entry_usage_validate+0xc2/0x360 [ 94.381138][ T5104] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 94.383578][ T5104] ? rcu_is_watching+0x15/0xb0 [ 94.385782][ T5104] ? trace_kmalloc+0x1f/0xd0 [ 94.387995][ T5104] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 94.391044][ T5104] ? kmemdup_noprof+0x45/0x60 [ 94.392844][ T5104] ? bch2_journal_entry_validate+0x6a/0xf0 [ 94.394894][ T5104] bch2_read_superblock_clean+0x207/0x520 [ 94.396944][ T5104] bch2_fs_recovery+0x1f4/0x39c0 [ 94.398691][ T5104] ? mark_lock+0x9a/0x360 [ 94.400583][ T5104] ? __lock_acquire+0x1384/0x2050 [ 94.403322][ T5104] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 94.406159][ T5104] ? __pfx_lock_release+0x10/0x10 [ 94.408342][ T5104] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.410549][ T5104] ? __pfx_lock_release+0x10/0x10 [ 94.412834][ T5104] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.415149][ T5104] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 94.417613][ T5104] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.420006][ T5104] ? llist_reverse_order+0x72/0x90 [ 94.422204][ T5104] bch2_fs_start+0x356/0x5b0 [ 94.424234][ T5104] bch2_fs_get_tree+0xd68/0x1710 [ 94.426627][ T5104] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 94.429137][ T5104] ? generic_parse_monolithic+0x387/0x400 [ 94.431594][ T5104] ? apparmor_capable+0x13b/0x1b0 [ 94.433548][ T5104] vfs_get_tree+0x90/0x2b0 [ 94.435282][ T5104] do_new_mount+0x2be/0xb40 [ 94.437130][ T5104] ? __pfx_do_new_mount+0x10/0x10 [ 94.439360][ T5104] __se_sys_mount+0x2d6/0x3c0 [ 94.441820][ T5104] ? __pfx___se_sys_mount+0x10/0x10 [ 94.444684][ T5104] ? do_syscall_64+0x100/0x230 [ 94.446728][ T5104] ? __x64_sys_mount+0x20/0xc0 [ 94.448733][ T5104] do_syscall_64+0xf3/0x230 [ 94.450463][ T5104] ? clear_bhb_loop+0x35/0x90 [ 94.452280][ T5104] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.454568][ T5104] RIP: 0033:0x7f09d287d1ea [ 94.456600][ 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 [ 94.465512][ T5104] RSP: 002b:00007ffc1d7b7948 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.468810][ T5104] RAX: ffffffffffffffda RBX: 00007ffc1d7b7960 RCX: 00007f09d287d1ea [ 94.471802][ T5104] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007ffc1d7b7960 [ 94.475924][ T5104] RBP: 0000000000000004 R08: 00007ffc1d7b79a0 R09: 0000000000005daf [ 94.479930][ T5104] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 94.483077][ T5104] R13: 00007ffc1d7b79a0 R14: 0000000000000003 R15: 0000000001000000 [ 94.486592][ T5104] [ 96.891801][ T785] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 06:41:47 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff34e2305 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f9 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002e7e578 R8 =ffffffff85496956 R9 =fffff520005cfc90 R10=dffffc0000000000 R11=ffffffff85496910 R12=dffffc0000000000 R13=1ffff920005cfccc R14=00000000000003f9 R15=dffffc0000000000 RIP=ffffffff85496986 RFL=00000006 [-----P-] 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 0000555579395380 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=000055e4367c8228 CR3=000000003d0aa000 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 00007ffc1d7b7ae0 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f09d2901620 00007f09d28f55d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f09d28e7044 00007f09d28fa240 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