bcachefs (loop0): shutting down bcachefs (loop0): going read-only bcachefs (loop0): finished waiting for writes to stop bcachefs (loop0): flushing journal and stopping allocators, journal seq 12 ===================================================== BUG: KMSAN: uninit-value in bch2_alloc_to_v4 fs/bcachefs/alloc_background.h:235 [inline] BUG: KMSAN: uninit-value in try_alloc_bucket fs/bcachefs/alloc_foreground.c:314 [inline] BUG: KMSAN: uninit-value in bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:525 [inline] BUG: KMSAN: uninit-value in bch2_bucket_alloc_trans+0x2533/0x3fb0 fs/bcachefs/alloc_foreground.c:648 bch2_alloc_to_v4 fs/bcachefs/alloc_background.h:235 [inline] try_alloc_bucket fs/bcachefs/alloc_foreground.c:314 [inline] bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:525 [inline] bch2_bucket_alloc_trans+0x2533/0x3fb0 fs/bcachefs/alloc_foreground.c:648 bch2_bucket_alloc_set_trans+0x959/0x1650 fs/bcachefs/alloc_foreground.c:808 __open_bucket_add_buckets+0x1dec/0x3070 fs/bcachefs/alloc_foreground.c:1057 open_bucket_add_buckets+0x328/0x530 fs/bcachefs/alloc_foreground.c:1101 bch2_alloc_sectors_start_trans+0x1833/0x32b0 __bch2_btree_node_alloc fs/bcachefs/btree_update_interior.c:339 [inline] bch2_btree_reserve_get+0x9d6/0x2290 fs/bcachefs/btree_update_interior.c:549 bch2_btree_update_start+0x1af9/0x2d60 fs/bcachefs/btree_update_interior.c:1247 bch2_btree_split_leaf+0x120/0xc00 fs/bcachefs/btree_update_interior.c:1856 bch2_trans_commit_error+0x1c0/0x1d60 fs/bcachefs/btree_trans_commit.c:942 __bch2_trans_commit+0x210f/0xd190 fs/bcachefs/btree_trans_commit.c:1140 bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline] wb_flush_one_slowpath+0x1e8/0x220 fs/bcachefs/btree_write_buffer.c:129 wb_flush_one fs/bcachefs/btree_write_buffer.c:183 [inline] bch2_btree_write_buffer_flush_locked+0x4402/0x7090 fs/bcachefs/btree_write_buffer.c:379 btree_write_buffer_flush_seq+0x2ec7/0x30b0 fs/bcachefs/btree_write_buffer.c:517 bch2_btree_write_buffer_flush_going_ro+0x1a7/0x2d0 fs/bcachefs/btree_write_buffer.c:556 __bch2_fs_read_only+0x1c6/0xb40 fs/bcachefs/super.c:275 bch2_fs_read_only+0xd2c/0x15d0 fs/bcachefs/super.c:356 __bch2_fs_stop+0xf0/0xf10 fs/bcachefs/super.c:621 bch2_fs_stop+0x1e/0x30 fs/bcachefs/super.c:678 bch2_fs_get_tree+0x1dff/0x22d0 fs/bcachefs/fs.c:2265 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814 do_new_mount+0x71f/0x15e0 fs/namespace.c:3507 path_mount+0x742/0x1f10 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x722/0x810 fs/namespace.c:4034 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:4034 ia32_sys_call+0x260e/0x4180 arch/x86/include/generated/asm/syscalls_32.h:22 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was stored to memory at: memcpy_u64s_small fs/bcachefs/util.h:393 [inline] bkey_reassemble fs/bcachefs/bkey.h:513 [inline] btree_key_cache_create fs/bcachefs/btree_key_cache.c:259 [inline] btree_key_cache_fill+0x13da/0x3d60 fs/bcachefs/btree_key_cache.c:309 bch2_btree_path_traverse_cached+0x988/0xe20 fs/bcachefs/btree_key_cache.c:361 bch2_btree_path_traverse_one+0x749/0x47b0 fs/bcachefs/btree_iter.c:1159 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline] bch2_btree_iter_peek_slot+0x10b7/0x3950 fs/bcachefs/btree_iter.c:2629 __bch2_bkey_get_iter fs/bcachefs/btree_iter.h:575 [inline] bch2_bkey_get_iter fs/bcachefs/btree_iter.h:589 [inline] try_alloc_bucket fs/bcachefs/alloc_foreground.c:305 [inline] bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:525 [inline] bch2_bucket_alloc_trans+0x1bd5/0x3fb0 fs/bcachefs/alloc_foreground.c:648 bch2_bucket_alloc_set_trans+0x959/0x1650 fs/bcachefs/alloc_foreground.c:808 __open_bucket_add_buckets+0x1dec/0x3070 fs/bcachefs/alloc_foreground.c:1057 open_bucket_add_buckets+0x328/0x530 fs/bcachefs/alloc_foreground.c:1101 bch2_alloc_sectors_start_trans+0x1833/0x32b0 __bch2_btree_node_alloc fs/bcachefs/btree_update_interior.c:339 [inline] bch2_btree_reserve_get+0x9d6/0x2290 fs/bcachefs/btree_update_interior.c:549 bch2_btree_update_start+0x1af9/0x2d60 fs/bcachefs/btree_update_interior.c:1247 bch2_btree_split_leaf+0x120/0xc00 fs/bcachefs/btree_update_interior.c:1856 bch2_trans_commit_error+0x1c0/0x1d60 fs/bcachefs/btree_trans_commit.c:942 __bch2_trans_commit+0x210f/0xd190 fs/bcachefs/btree_trans_commit.c:1140 bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline] wb_flush_one_slowpath+0x1e8/0x220 fs/bcachefs/btree_write_buffer.c:129 wb_flush_one fs/bcachefs/btree_write_buffer.c:183 [inline] bch2_btree_write_buffer_flush_locked+0x4402/0x7090 fs/bcachefs/btree_write_buffer.c:379 btree_write_buffer_flush_seq+0x2ec7/0x30b0 fs/bcachefs/btree_write_buffer.c:517 bch2_btree_write_buffer_flush_going_ro+0x1a7/0x2d0 fs/bcachefs/btree_write_buffer.c:556 __bch2_fs_read_only+0x1c6/0xb40 fs/bcachefs/super.c:275 bch2_fs_read_only+0xd2c/0x15d0 fs/bcachefs/super.c:356 __bch2_fs_stop+0xf0/0xf10 fs/bcachefs/super.c:621 bch2_fs_stop+0x1e/0x30 fs/bcachefs/super.c:678 bch2_fs_get_tree+0x1dff/0x22d0 fs/bcachefs/fs.c:2265 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814 do_new_mount+0x71f/0x15e0 fs/namespace.c:3507 path_mount+0x742/0x1f10 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x722/0x810 fs/namespace.c:4034 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:4034 ia32_sys_call+0x260e/0x4180 arch/x86/include/generated/asm/syscalls_32.h:22 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was created at: ___kmalloc_large_node+0x22c/0x370 mm/slub.c:4253 __kmalloc_large_node_noprof+0x3f/0x1e0 mm/slub.c:4270 __do_kmalloc_node mm/slub.c:4286 [inline] __kmalloc_node_noprof+0xc96/0x1250 mm/slub.c:4304 __kvmalloc_node_noprof+0xc0/0x2d0 mm/util.c:650 btree_node_data_alloc fs/bcachefs/btree_cache.c:153 [inline] __bch2_btree_node_mem_alloc+0x2be/0xa80 fs/bcachefs/btree_cache.c:198 bch2_fs_btree_cache_init+0x4e4/0xb50 fs/bcachefs/btree_cache.c:653 bch2_fs_alloc fs/bcachefs/super.c:917 [inline] bch2_fs_open+0x4d3a/0x5b40 fs/bcachefs/super.c:2065 bch2_fs_get_tree+0x983/0x22d0 fs/bcachefs/fs.c:2157 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814 do_new_mount+0x71f/0x15e0 fs/namespace.c:3507 path_mount+0x742/0x1f10 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x722/0x810 fs/namespace.c:4034 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:4034 ia32_sys_call+0x260e/0x4180 arch/x86/include/generated/asm/syscalls_32.h:22 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 1 UID: 0 PID: 7336 Comm: syz.0.283 Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 =====================================================