Warning: Permanently added '[localhost]:41006' (ED25519) to the list of known hosts. executing program syzkaller login: [ 94.418203][ T5111] loop0: detected capacity change from 0 to 32768 [ 94.435476][ T5111] ======================================================= [ 94.435476][ T5111] WARNING: The mand mount option has been deprecated and [ 94.435476][ T5111] and is ignored by this kernel. Remove the mand [ 94.435476][ T5111] option from the mount to silence this warning. [ 94.435476][ T5111] ======================================================= [ 94.497543][ T5111] bcachefs (/dev/loop0): error reading default superblock: checksum error, type crc32c_nonzero: got bb854ad7 should be 29d2fb78 [ 94.586138][ T5111] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=compression=zstd,norecovery,recovery_pass_last=check_dirents,nojournal_transaction_names,version_upgrade=none [ 94.603159][ T5111] [ 94.604205][ T5111] ============================================ [ 94.606689][ T5111] WARNING: possible recursive locking detected [ 94.609206][ T5111] 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Not tainted [ 94.612882][ T5111] -------------------------------------------- [ 94.615340][ T5111] syz-executor362/5111 is trying to acquire lock: [ 94.617948][ T5111] ffff888041000908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x2a/0x80 [ 94.621981][ T5111] [ 94.621981][ T5111] but task is already holding lock: [ 94.624778][ T5111] ffff888041000908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.628399][ T5111] [ 94.628399][ T5111] other info that might help us debug this: [ 94.631539][ T5111] Possible unsafe locking scenario: [ 94.631539][ T5111] [ 94.634368][ T5111] CPU0 [ 94.635703][ T5111] ---- [ 94.637045][ T5111] lock(&c->sb_lock); [ 94.638739][ T5111] lock(&c->sb_lock); [ 94.640348][ T5111] [ 94.640348][ T5111] *** DEADLOCK *** [ 94.640348][ T5111] [ 94.643508][ T5111] May be due to missing lock nesting notation [ 94.643508][ T5111] [ 94.646629][ T5111] 2 locks held by syz-executor362/5111: [ 94.648772][ T5111] #0: ffff888041000278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x45/0x5b0 [ 94.652539][ T5111] #1: ffff888041000908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x36/0x520 [ 94.656570][ T5111] [ 94.656570][ T5111] stack backtrace: [ 94.659022][ T5111] CPU: 0 UID: 0 PID: 5111 Comm: syz-executor362 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 94.663392][ T5111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 94.667593][ T5111] Call Trace: [ 94.668962][ T5111] [ 94.670219][ T5111] dump_stack_lvl+0x241/0x360 [ 94.672220][ T5111] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.674239][ T5111] ? __pfx__printk+0x10/0x10 [ 94.676087][ T5111] ? lockdep_unlock+0x16a/0x300 [ 94.678097][ T5111] print_deadlock_bug+0x483/0x620 [ 94.680140][ T5111] validate_chain+0x15e2/0x5920 [ 94.682126][ T5111] ? __pfx_validate_chain+0x10/0x10 [ 94.684195][ T5111] ? mark_lock+0x9a/0x360 [ 94.685967][ T5111] ? __lock_acquire+0x1384/0x2050 [ 94.688018][ T5111] ? mark_lock+0x9a/0x360 [ 94.689786][ T5111] __lock_acquire+0x1384/0x2050 [ 94.691796][ T5111] lock_acquire+0x1ed/0x550 [ 94.693605][ T5111] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.695917][ T5111] ? __pfx_lock_acquire+0x10/0x10 [ 94.697975][ T5111] ? lockdep_hardirqs_on+0x99/0x150 [ 94.700116][ T5111] ? __pfx___might_resched+0x10/0x10 [ 94.702283][ T5111] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 94.704503][ T5111] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 94.706885][ T5111] ? stack_trace_save+0x118/0x1d0 [ 94.709050][ T5111] __mutex_lock+0x136/0xd70 [ 94.710971][ T5111] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.713363][ T5111] ? kasan_save_track+0x51/0x80 [ 94.715342][ T5111] ? kasan_save_track+0x3f/0x80 [ 94.717530][ T5111] ? __kasan_kmalloc+0x98/0xb0 [ 94.720085][ T5111] ? __kmalloc_node_track_caller_noprof+0x225/0x440 [ 94.723311][ T5111] ? kmemdup_noprof+0x2a/0x60 [ 94.725278][ T5111] ? bch2_read_superblock_clean+0xd6/0x520 [ 94.727589][ T5111] ? bch2_replicas_entry_validate+0x2a/0x80 [ 94.730097][ T5111] ? bch2_fs_start+0x356/0x5b0 [ 94.732437][ T5111] ? __pfx___mutex_lock+0x10/0x10 [ 94.735029][ T5111] ? do_syscall_64+0xf3/0x230 [ 94.737058][ T5111] bch2_replicas_entry_validate+0x2a/0x80 [ 94.739288][ T5111] journal_entry_data_usage_validate+0x2b6/0x690 [ 94.741798][ T5111] ? __pfx_journal_entry_data_usage_validate+0x10/0x10 [ 94.744443][ T5111] ? journal_entry_usage_validate+0xc2/0x360 [ 94.747908][ T5111] ? __pfx_journal_entry_usage_validate+0x10/0x10 [ 94.751434][ T5111] ? rcu_is_watching+0x15/0xb0 [ 94.753502][ T5111] ? trace_kmalloc+0x1f/0xd0 [ 94.755388][ T5111] ? __kmalloc_node_track_caller_noprof+0x242/0x440 [ 94.758006][ T5111] ? kmemdup_noprof+0x45/0x60 [ 94.759881][ T5111] ? bch2_journal_entry_validate+0x6a/0xf0 [ 94.762205][ T5111] bch2_read_superblock_clean+0x207/0x520 [ 94.764458][ T5111] bch2_fs_recovery+0x1f4/0x39c0 [ 94.766856][ T5111] ? mark_lock+0x9a/0x360 [ 94.769564][ T5111] ? __lock_acquire+0x1384/0x2050 [ 94.772292][ T5111] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 94.774866][ T5111] ? __pfx_lock_release+0x10/0x10 [ 94.776868][ T5111] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.779435][ T5111] ? __pfx_lock_release+0x10/0x10 [ 94.781715][ T5111] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.784108][ T5111] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 94.786512][ T5111] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 94.789036][ T5111] ? llist_reverse_order+0x72/0x90 [ 94.791244][ T5111] bch2_fs_start+0x356/0x5b0 [ 94.793200][ T5111] bch2_fs_get_tree+0xd68/0x1710 [ 94.795194][ T5111] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 94.797335][ T5111] ? generic_parse_monolithic+0x387/0x400 [ 94.799581][ T5111] ? apparmor_capable+0x13b/0x1b0 [ 94.801505][ T5111] vfs_get_tree+0x90/0x2b0 [ 94.803404][ T5111] do_new_mount+0x2be/0xb40 [ 94.805581][ T5111] ? __pfx_do_new_mount+0x10/0x10 [ 94.809170][ T5111] __se_sys_mount+0x2d6/0x3c0 [ 94.812527][ T5111] ? __pfx___se_sys_mount+0x10/0x10 [ 94.814709][ T5111] ? do_syscall_64+0x100/0x230 [ 94.816545][ T5111] ? __x64_sys_mount+0x20/0xc0 [ 94.818391][ T5111] do_syscall_64+0xf3/0x230 [ 94.820199][ T5111] ? clear_bhb_loop+0x35/0x90 [ 94.822058][ T5111] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.824217][ T5111] RIP: 0033:0x7f475108606a [ 94.825880][ T5111] 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 [ 94.833078][ T5111] RSP: 002b:00007fff1b713e88 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.836819][ T5111] RAX: ffffffffffffffda RBX: 00007fff1b713ea0 RCX: 00007f475108606a [ 94.839968][ T5111] RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007fff1b713ea0 [ 94.843077][ T5111] RBP: 0000000000000004 R08: 00007fff1b713ee0 R09: 0000000000005db2 [ 94.846423][ T5111] R10: 0000000000000044 R11: 0000000000000282 R12: 0000000000000044 [ 94.850450][ T5111] R13: 00007fff1b713ee0 R14: 0000000000000003 R15: 0000000001000000 [ 94.854024][ T5111] [ 97.027311][ T785] cfg80211: failed to load regulatory.db VM DIAGNOSIS: 06:22:14 Registers: info registers vcpu 0 CPU#0 RAX=000000000000007a RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000179e570 R8 =ffffffff85496a1b R9 =1ffff110065ad046 R10=dffffc0000000000 R11=ffffffff854969d0 R12=dffffc0000000000 R13=ffffffff9a40cf05 R14=000000000000007a 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 000055556b9d1380 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=000055f52506e0d0 CR3=0000000035af4000 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 00007fff1b714020 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f4751109620 00007f47510fd5d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f47510ef124 00007f4751102240 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