Warning: Permanently added '[localhost]:46592' (ED25519) to the list of known hosts. executing program syzkaller login: [ 91.673918][ T5108] loop0: detected capacity change from 0 to 32768 [ 91.774115][ T5108] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=xxhash,data_checksum=none,compression=lz4,background_compression=lz4,erasure_code,noinodes_use_key_cache,grpquota,nojournal_transaction_names,nocow [ 91.783328][ T5108] superblock marked clean but clean section not present, fixing [ 91.786273][ T5108] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 91.790751][ T5108] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 91.794844][ T5108] CPU: 0 UID: 0 PID: 5108 Comm: syz-executor340 Not tainted 6.11.0-rc7-syzkaller-00017-gbc83b4d1f086 #0 [ 91.798866][ T5108] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 91.802785][ T5108] RIP: 0010:bch2_fs_recovery+0x274/0x38b0 [ 91.805204][ T5108] Code: 00 00 4c 89 f7 48 c7 c6 20 72 54 8c e8 85 d6 05 00 eb 41 e8 6e 55 55 fd 49 8d 9d cc 01 00 00 49 83 c7 10 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 fd 9c bc fd 49 8b 0f 4c 89 ef 48 [ 91.811781][ T5108] RSP: 0018:ffffc90002e4f5c0 EFLAGS: 00010202 [ 91.813775][ T5108] RAX: 0000000000000002 RBX: ffff8880441801cc RCX: ffff88801fd34880 [ 91.816250][ T5108] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 91.818586][ T5108] RBP: ffffc90002e4f968 R08: ffffffff843e3700 R09: 1ffff920005c9e9c [ 91.821231][ T5108] R10: dffffc0000000000 R11: fffff520005c9e9d R12: dffffc0000000000 [ 91.823877][ T5108] R13: ffff888044180000 R14: ffff888044180777 R15: 0000000000000010 [ 91.826611][ T5108] FS: 000055555e2a1380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 91.829603][ T5108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.831884][ T5108] CR2: 0000561b4e028808 CR3: 0000000036192000 CR4: 0000000000350ef0 [ 91.834754][ T5108] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.837694][ T5108] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.840799][ T5108] Call Trace: [ 91.842174][ T5108] <TASK> [ 91.843362][ T5108] ? __die_body+0x88/0xe0 [ 91.844822][ T5108] ? die_addr+0x108/0x140 [ 91.846184][ T5108] ? exc_general_protection+0x3dd/0x5d0 [ 91.848372][ T5108] ? asm_exc_general_protection+0x26/0x30 [ 91.850678][ T5108] ? bch2_fs_recovery+0x220/0x38b0 [ 91.852764][ T5108] ? bch2_fs_recovery+0x274/0x38b0 [ 91.854835][ T5108] ? __lock_acquire+0x137a/0x2040 [ 91.856843][ T5108] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 91.858984][ T5108] ? __pfx_lock_release+0x10/0x10 [ 91.861151][ T5108] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 91.863342][ T5108] ? __pfx_lock_release+0x10/0x10 [ 91.865263][ T5108] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 91.867361][ T5108] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 91.869379][ T5108] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 91.871430][ T5108] ? llist_reverse_order+0x72/0x90 [ 91.873450][ T5108] bch2_fs_start+0x356/0x5b0 [ 91.875277][ T5108] bch2_fs_get_tree+0xd61/0x1700 [ 91.877123][ T5108] ? __pfx_bch2_parse_one_mount_opt+0x10/0x10 [ 91.879379][ T5108] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 91.881271][ T5108] ? generic_parse_monolithic+0x387/0x400 [ 91.883361][ T5108] ? apparmor_capable+0x13b/0x1b0 [ 91.885144][ T5108] ? bpf_lsm_capable+0x9/0x10 [ 91.887164][ T5108] vfs_get_tree+0x90/0x2b0 [ 91.888939][ T5108] do_new_mount+0x2be/0xb40 [ 91.890626][ T5108] ? __pfx_do_new_mount+0x10/0x10 [ 91.892561][ T5108] __se_sys_mount+0x2d6/0x3c0 [ 91.894381][ T5108] ? __pfx___se_sys_mount+0x10/0x10 [ 91.896372][ T5108] ? do_syscall_64+0x100/0x230 [ 91.898231][ T5108] ? __x64_sys_mount+0x20/0xc0 [ 91.899925][ T5108] do_syscall_64+0xf3/0x230 [ 91.901369][ T5108] ? clear_bhb_loop+0x35/0x90 [ 91.903230][ T5108] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.905550][ T5108] RIP: 0033:0x7f6adfe3626a [ 91.907291][ T5108] 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 [ 91.914620][ T5108] RSP: 002b:00007fff810bb308 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 91.917772][ T5108] RAX: ffffffffffffffda RBX: 00007fff810bb320 RCX: 00007f6adfe3626a [ 91.920711][ T5108] RDX: 00000000200058c0 RSI: 0000000020000080 RDI: 00007fff810bb320 [ 91.923661][ T5108] RBP: 0000000000000004 R08: 00007fff810bb360 R09: 0000000000005905 [ 91.926489][ T5108] R10: 0000000000008000 R11: 0000000000000282 R12: 0000000000008000 [ 91.929187][ T5108] R13: 00007fff810bb360 R14: 0000000000000003 R15: 0000000001000000 [ 91.932089][ T5108] </TASK> [ 91.933243][ T5108] Modules linked in: [ 91.939395][ T5108] ---[ end trace 0000000000000000 ]--- [ 91.941707][ T5108] RIP: 0010:bch2_fs_recovery+0x274/0x38b0 [ 91.943689][ T5108] Code: 00 00 4c 89 f7 48 c7 c6 20 72 54 8c e8 85 d6 05 00 eb 41 e8 6e 55 55 fd 49 8d 9d cc 01 00 00 49 83 c7 10 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 fd 9c bc fd 49 8b 0f 4c 89 ef 48 [ 91.950907][ T5108] RSP: 0018:ffffc90002e4f5c0 EFLAGS: 00010202 [ 91.953294][ T5108] RAX: 0000000000000002 RBX: ffff8880441801cc RCX: ffff88801fd34880 [ 91.955790][ T5108] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 91.958163][ T5108] RBP: ffffc90002e4f968 R08: ffffffff843e3700 R09: 1ffff920005c9e9c [ 91.961179][ T5108] R10: dffffc0000000000 R11: fffff520005c9e9d R12: dffffc0000000000 [ 91.963802][ T5108] R13: ffff888044180000 R14: ffff888044180777 R15: 0000000000000010 [ 91.966448][ T5108] FS: 000055555e2a1380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 91.970122][ T5108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.972789][ T5108] CR2: 0000561b4e028808 CR3: 0000000036192000 CR4: 0000000000350ef0 [ 91.975938][ T5108] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.978272][ T5108] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.981116][ T5108] Kernel panic - not syncing: Fatal exception [ 91.983481][ T5108] Kernel Offset: disabled [ 91.985053][ T5108] Rebooting in 86400 seconds.. VM DIAGNOSIS: 07:55:47 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000078 RBX=ffffffff9a668f40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002e4ec90 R8 =ffffffff8540ac3b R9 =1ffff11003dc3046 R10=dffffc0000000000 R11=ffffffff8540abf0 R12=dffffc0000000000 R13=0000000000000078 R14=0000000000000078 R15=00000000000003f8 RIP=ffffffff8540ac6e 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 000055555e2a1380 ffffffff 00c00000 GS =0000 ffff88801fe00000 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=0000561b4e028808 CR3=0000000036192000 CR4=00350ef0 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 00007fff810bb4a0 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6adfeba620 00007f6adfeae5d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6adfe9fbc4 00007f6adfeb3240 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