Warning: Permanently added '10.128.0.25' (ED25519) to the list of known hosts. executing program [ 39.913775][ T6491] loop0: detected capacity change from 0 to 32768 [ 39.986575][ T6491] 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 [ 39.986575][ T6491] allowing incompatible features above 0.0: (unknown version) [ 39.986575][ T6491] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes [ 40.000414][ T6491] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0 [ 40.002804][ T6491] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 40.002947][ T6491] bcachefs (loop0): Version upgrade required: [ 40.002947][ T6491] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 40.002947][ T6491] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.28: inode_has_case_insensitive [ 40.002947][ T6491] 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 [ 40.003271][ T6491] bcachefs (loop0): dropping and reconstructing all alloc info [ 40.013285][ T6491] bcachefs (loop0): accounting_read... done [ 40.034177][ T6491] bcachefs (loop0): alloc_read... done [ 40.034422][ T6491] bcachefs (loop0): snapshots_read... done [ 40.035076][ T6491] bcachefs (loop0): done starting filesystem executing program [ 40.227283][ T6497] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 40.227379][ T6497] Mem abort info: [ 40.227417][ T6497] ESR = 0x0000000086000006 [ 40.227441][ T6497] EC = 0x21: IABT (current EL), IL = 32 bits [ 40.227500][ T6497] SET = 0, FnV = 0 [ 40.227524][ T6497] EA = 0, S1PTW = 0 [ 40.227547][ T6497] FSC = 0x06: level 2 translation fault [ 40.227570][ T6497] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000114af4000 [ 40.227597][ T6497] [0000000000000000] pgd=08000001144e0403, p4d=08000001144e0403, pud=08000001144e1403, pmd=0000000000000000 [ 40.227722][ T6497] Internal error: Oops: 0000000086000006 [#1] SMP [ 40.244486][ T6497] Modules linked in: [ 40.245496][ T6497] CPU: 1 UID: 0 PID: 6497 Comm: syz-executor379 Not tainted 6.16.0-rc1-syzkaller-g19272b37aa4f #0 PREEMPT [ 40.248718][ T6497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 40.251449][ T6497] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 40.253573][ T6497] pc : 0x0 [ 40.254400][ T6497] lr : mempool_alloc_noprof+0x150/0x3f4 [ 40.255976][ T6497] sp : ffff8000a36a6c80 [ 40.257082][ T6497] x29: ffff8000a36a6d80 x28: 0000000000000000 x27: 1fffe0001c5c07df [ 40.259284][ T6497] x26: 0000000000092800 x25: ffff7000146d4d9c x24: ffff0000e2e03ef0 [ 40.261513][ T6497] x23: 0000000000092c40 x22: ffff0000e2e03ef8 x21: 0000000000000400 [ 40.263758][ T6497] x20: 1fffe0001c5c07de x19: ffff0000e2e03ea0 x18: 00000000ffffffff [ 40.266031][ T6497] x17: ffff800093215000 x16: ffff80008051b344 x15: ffff800092d9eb80 [ 40.268157][ T6497] x14: ffff0000c9ba0a90 x13: ffff800093014c08 x12: ffff0000c9ba0ab0 [ 40.270380][ T6497] x11: 0000000000008004 x10: 0000000000ff0100 x9 : 0000000000000000 [ 40.272587][ T6497] x8 : 0000000000000000 x7 : ffff800080b774a8 x6 : 0000000000000000 [ 40.274745][ T6497] x5 : 0000000000000020 x4 : ffff8000a36a6a20 x3 : 0000000000000000 [ 40.276945][ T6497] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000092800 [ 40.279163][ T6497] Call trace: [ 40.280085][ T6497] 0x0 (P) [ 40.280912][ T6497] bch2_btree_update_start+0x488/0x1398 [ 40.282499][ T6497] bch2_btree_node_rewrite+0x190/0xd34 [ 40.283980][ T6497] bch2_move_btree+0x538/0xa8c [ 40.285296][ T6497] bch2_scan_old_btree_nodes+0x80/0x21c [ 40.286827][ T6497] bch2_data_job+0x570/0x7cc [ 40.288083][ T6497] bch2_data_thread+0xb4/0x1cc [ 40.289417][ T6497] kthread+0x5fc/0x75c [ 40.290536][ T6497] ret_from_fork+0x10/0x20 [ 40.291745][ T6497] Code: ???????? ???????? ???????? ???????? (????????) [ 40.293637][ T6497] ---[ end trace 0000000000000000 ]--- [ 40.612587][ T6497] Kernel panic - not syncing: Oops: Fatal exception [ 40.614372][ T6497] SMP: stopping secondary CPUs [ 40.615802][ T6497] Kernel Offset: disabled [ 40.617002][ T6497] CPU features: 0x2000,000081c0,020004a1,04017203 [ 40.618732][ T6497] Memory Limit: none [ 40.930290][ T6497] Rebooting in 86400 seconds..