Warning: Permanently added '[localhost]:39726' (ED25519) to the list of known hosts. executing program syzkaller login: [ 79.837628][ T5313] loop0: detected capacity change from 0 to 32768 [ 79.878656][ T5313] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0 [ 79.926380][ T5313] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,erasure_code,degraded=yes,no_splitbrain_check,fsck,norecovery,nojournal_transaction_names,reconstruct_alloc,nocow [ 79.926380][ T5313] allowing incompatible features above 0.0: (unknown version) [ 79.926380][ T5313] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes [ 79.947172][ T5313] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 79.950697][ T5313] bcachefs (loop0): Version upgrade required: [ 79.950697][ T5313] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 79.950697][ T5313] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.28: inode_has_case_insensitive [ 79.950697][ T5313] running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,check_rebalance_work,set_fs_needs_rebalance [ 79.982716][ T5313] bcachefs (loop0): dropping and reconstructing all alloc info [ 80.000416][ T5313] bcachefs (loop0): accounting_read... done [ 80.004016][ T5313] bcachefs (loop0): alloc_read... done [ 80.006861][ T5313] bcachefs (loop0): snapshots_read... done [ 80.010482][ T5313] bcachefs (loop0): done starting filesystem [ 80.065595][ T5317] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.069369][ T5317] #PF: supervisor instruction fetch in kernel mode [ 80.073158][ T5317] #PF: error_code(0x0010) - not-present page [ 80.075656][ T5317] PGD 0 P4D 0 [ 80.077158][ T5317] Oops: Oops: 0010 [#1] SMP KASAN NOPTI [ 80.079539][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz-executor257 Not tainted 6.15.0-syzkaller-10402-g4cb6c8af8591 #0 PREEMPT(full) [ 80.084603][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 80.089051][ T5317] RIP: 0010:0x0 [ 80.090654][ T5317] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 80.093830][ T5317] RSP: 0018:ffffc9000d3fedb8 EFLAGS: 00010246 [ 80.096519][ T5317] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff888044583ee8 [ 80.100087][ T5317] RDX: 1ffff110088b07dd RSI: 0000000000000000 RDI: 0000000000092800 [ 80.103530][ T5317] RBP: ffffc9000d3fef10 R08: ffffc9000d3fee87 R09: 0000000000000000 [ 80.107006][ T5317] R10: ffffc9000d3fee60 R11: 0000000000000000 R12: 1ffff92001a7fdc8 [ 80.110455][ T5317] R13: ffff888044583ee8 R14: 0000000000092c40 R15: 0000000000092800 [ 80.114165][ T5317] FS: 0000000000000000(0000) GS:ffff88808d265000(0000) knlGS:0000000000000000 [ 80.118177][ T5317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.121082][ T5317] CR2: ffffffffffffffd6 CR3: 0000000042a6b000 CR4: 0000000000352ef0 [ 80.124584][ T5317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.128105][ T5317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.131506][ T5317] Call Trace: [ 80.133004][ T5317] <TASK> [ 80.134302][ T5317] mempool_alloc_noprof+0x1a7/0x510 [ 80.136623][ T5317] ? __trans_next_path_with_node+0x454/0x4d0 [ 80.139288][ T5317] ? __pfx_mempool_alloc_noprof+0x10/0x10 [ 80.141830][ T5317] ? bch2_btree_update_start+0x51e/0x1480 [ 80.144216][ T5317] ? __pfx_down_read_trylock+0x10/0x10 [ 80.146659][ T5317] ? bch2_btree_path_traverse_one+0x1b62/0x2460 [ 80.149268][ T5317] bch2_btree_update_start+0x549/0x1480 [ 80.151658][ T5317] ? bch2_btree_path_traverse_one+0x9e8/0x2460 [ 80.154355][ T5317] ? __pfx_bch2_btree_update_start+0x10/0x10 [ 80.156875][ T5317] ? __bch2_btree_path_set_pos+0xe0c/0x1530 [ 80.159395][ T5317] ? __pfx_bch2_btree_path_traverse_one+0x10/0x10 [ 80.162057][ T5317] ? __pfx___bch2_btree_path_set_pos+0x10/0x10 [ 80.164719][ T5317] ? bch2_btree_iter_peek_node+0x566/0xbc0 [ 80.167293][ T5317] ? bch2_btree_iter_verify+0x1d/0x360 [ 80.169533][ T5317] bch2_btree_node_rewrite+0x17e/0x1120 [ 80.171871][ T5317] ? rewrite_old_nodes_pred+0x408/0x550 [ 80.174208][ T5317] ? bch2_move_btree+0x6a8/0xc70 [ 80.176355][ T5317] bch2_move_btree+0x6f0/0xc70 [ 80.178441][ T5317] ? __pfx_rewrite_old_nodes_pred+0x10/0x10 [ 80.181017][ T5317] ? __pfx_bch2_move_btree+0x10/0x10 [ 80.183210][ T5317] ? bch2_move_btree+0x23f/0xc70 [ 80.185434][ T5317] ? format_decode+0x5ee/0xe30 [ 80.187535][ T5317] ? string+0x279/0x2b0 [ 80.189273][ T5317] ? widen_string+0x3b/0x2a0 [ 80.191214][ T5317] ? bch2_move_btree+0x44e/0xc70 [ 80.193366][ T5317] ? scnprintf+0x109/0x170 [ 80.195352][ T5317] bch2_scan_old_btree_nodes+0x95/0x240 [ 80.197685][ T5317] bch2_data_job+0x646/0x910 [ 80.199798][ T5317] ? rcu_read_lock_sched_held+0x89/0x100 [ 80.202652][ T5317] ? __pfx_bch2_data_job+0x10/0x10 [ 80.204809][ T5317] ? kvm_sched_clock_read+0x11/0x20 [ 80.206985][ T5317] ? sched_clock+0x3f/0x60 [ 80.208792][ T5317] ? sched_clock_cpu+0x74/0x430 [ 80.210854][ T5317] ? psi_task_switch+0x39a/0x6d0 [ 80.212971][ T5317] ? __switch_to+0xd74/0x1600 [ 80.215180][ T5317] ? __lock_acquire+0xab9/0xd20 [ 80.217319][ T5317] ? finish_task_switch+0x18b/0x950 [ 80.219540][ T5317] ? finish_task_switch+0x266/0x950 [ 80.221675][ T5317] ? lockdep_hardirqs_on+0x9c/0x150 [ 80.223804][ T5317] ? rcu_is_watching+0x15/0xb0 [ 80.225860][ T5317] ? trace_sched_exit_tp+0x38/0x120 [ 80.227991][ T5317] ? __lock_acquire+0xab9/0xd20 [ 80.230103][ T5317] ? do_raw_spin_lock+0x121/0x290 [ 80.232208][ T5317] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 80.234889][ T5317] ? lockdep_hardirqs_on+0x9c/0x150 [ 80.237080][ T5317] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 80.239362][ T5317] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 80.241973][ T5317] bch2_data_thread+0x8f/0x1d0 [ 80.244063][ T5317] kthread+0x711/0x8a0 [ 80.245884][ T5317] ? __pfx_bch2_data_thread+0x10/0x10 [ 80.248049][ T5317] ? __pfx_kthread+0x10/0x10 [ 80.249975][ T5317] ? _raw_spin_unlock_irq+0x23/0x50 [ 80.252073][ T5317] ? lockdep_hardirqs_on+0x9c/0x150 [ 80.254221][ T5317] ? __pfx_kthread+0x10/0x10 [ 80.256196][ T5317] ret_from_fork+0x3fc/0x770 [ 80.258031][ T5317] ? __pfx_ret_from_fork+0x10/0x10 [ 80.260061][ T5317] ? __pfx_kthread+0x10/0x10 [ 80.261987][ T5317] ret_from_fork_asm+0x1a/0x30 [ 80.264077][ T5317] </TASK> [ 80.265465][ T5317] Modules linked in: [ 80.267051][ T5317] CR2: 0000000000000000 [ 80.268729][ T5317] ---[ end trace 0000000000000000 ]--- [ 80.270926][ T5317] RIP: 0010:0x0 [ 80.272382][ T5317] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 80.275531][ T5317] RSP: 0018:ffffc9000d3fedb8 EFLAGS: 00010246 [ 80.278067][ T5317] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff888044583ee8 [ 80.281327][ T5317] RDX: 1ffff110088b07dd RSI: 0000000000000000 RDI: 0000000000092800 [ 80.284545][ T5317] RBP: ffffc9000d3fef10 R08: ffffc9000d3fee87 R09: 0000000000000000 [ 80.287779][ T5317] R10: ffffc9000d3fee60 R11: 0000000000000000 R12: 1ffff92001a7fdc8 [ 80.290944][ T5317] R13: ffff888044583ee8 R14: 0000000000092c40 R15: 0000000000092800 [ 80.294189][ T5317] FS: 0000000000000000(0000) GS:ffff88808d265000(0000) knlGS:0000000000000000 [ 80.297852][ T5317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.300460][ T5317] CR2: ffffffffffffffd6 CR3: 0000000042a6b000 CR4: 0000000000352ef0 [ 80.303607][ T5317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.306874][ T5317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.310179][ T5317] Kernel panic - not syncing: Fatal exception [ 80.312903][ T5317] Kernel Offset: disabled [ 80.314665][ T5317] Rebooting in 86400 seconds.. VM DIAGNOSIS: 06:05:37 Registers: info registers vcpu 0 CPU#0 RAX=000000000000006e RBX=000000000000006e RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc9000d3fe4f0 R8 =ffff8880335b0237 R9 =1ffff110066b6046 R10=dffffc0000000000 R11=ffffffff854599b0 R12=dffffc0000000000 R13=ffffffff99ab093b R14=ffffffff99db5d20 R15=0000000000000000 RIP=ffffffff85459a2c 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 0000000000000000 ffffffff 00c00000 GS =0000 ffff88808d265000 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=0000000000000000 CR3=0000000042a6b000 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 00007ffd24d22700 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f0b5ad5e580 00007f0b5ad525d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f0b5ad443c4 00007f0b5ad57260 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