Warning: Permanently added '10.128.1.221' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 167.631615][ T5030] loop0: detected capacity change from 0 to 64 [ 167.670786][ T5030] ===================================================== [ 167.678262][ T5030] BUG: KMSAN: uninit-value in hfs_find_set_zero_bits+0x836/0xc90 [ 167.686695][ T5030] hfs_find_set_zero_bits+0x836/0xc90 [ 167.692309][ T5030] hfs_vbm_search_free+0x141/0x530 [ 167.697804][ T5030] hfs_extend_file+0x6fc/0x1bf0 [ 167.702885][ T5030] hfs_get_block+0x400/0x1020 [ 167.707919][ T5030] __block_write_begin_int+0x6b1/0x2670 [ 167.713929][ T5030] block_write_begin+0x143/0x450 [ 167.719131][ T5030] cont_write_begin+0xa64/0xe60 [ 167.724442][ T5030] hfs_write_begin+0x9a/0x130 [ 167.729347][ T5030] generic_perform_write+0x3f5/0xbf0 [ 167.735066][ T5030] __generic_file_write_iter+0x393/0x920 [ 167.741127][ T5030] generic_file_write_iter+0x103/0x5b0 [ 167.747166][ T5030] vfs_write+0x834/0x1580 [ 167.751715][ T5030] ksys_write+0x21f/0x4f0 [ 167.756359][ T5030] __ia32_sys_write+0x91/0xd0 [ 167.761241][ T5030] __do_fast_syscall_32+0xa2/0x100 [ 167.766815][ T5030] do_fast_syscall_32+0x37/0x80 [ 167.771916][ T5030] do_SYSENTER_32+0x1f/0x30 [ 167.776951][ T5030] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 167.783797][ T5030] [ 167.786237][ T5030] Uninit was created at: [ 167.790765][ T5030] slab_post_alloc_hook+0x12d/0xb60 [ 167.796457][ T5030] __kmem_cache_alloc_node+0x518/0x920 [ 167.802164][ T5030] kmalloc_trace+0x51/0x200 [ 167.807322][ T5030] hfs_mdb_get+0x1c4e/0x29b0 [ 167.812156][ T5030] hfs_fill_super+0x1d78/0x2460 [ 167.817426][ T5030] mount_bdev+0x50e/0x840 [ 167.821999][ T5030] hfs_mount+0x4d/0x60 [ 167.826525][ T5030] legacy_get_tree+0x110/0x290 [ 167.831565][ T5030] vfs_get_tree+0xa5/0x500 [ 167.836426][ T5030] do_new_mount+0x69a/0x1580 [ 167.841309][ T5030] path_mount+0x725/0x1ec0 [ 167.846023][ T5030] __se_sys_mount+0x734/0x840 [ 167.850906][ T5030] __ia32_sys_mount+0xe3/0x150 [ 167.856061][ T5030] __do_fast_syscall_32+0xa2/0x100 [ 167.861342][ T5030] do_fast_syscall_32+0x37/0x80 [ 167.866490][ T5030] do_SYSENTER_32+0x1f/0x30 [ 167.871200][ T5030] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 167.877846][ T5030] [ 167.880280][ T5030] CPU: 1 PID: 5030 Comm: syz-executor199 Not tainted 6.2.0-syzkaller-81157-g944070199c5e #0 [ 167.890683][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 167.901027][ T5030] ===================================================== [ 167.908167][ T5030] Disabling lock debugging due to kernel taint [ 167.914637][ T5030] Kernel panic - not syncing: kmsan.panic set ... [ 167.921173][ T5030] CPU: 1 PID: 5030 Comm: syz-executor199 Tainted: G B 6.2.0-syzkaller-81157-g944070199c5e #0 [ 167.932853][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 167.943013][ T5030] Call Trace: [ 167.946382][ T5030] <TASK> [ 167.949425][ T5030] dump_stack_lvl+0x1cc/0x260 [ 167.954271][ T5030] dump_stack+0x1e/0x20 [ 167.958666][ T5030] panic+0x4e1/0xc60 [ 167.962732][ T5030] ? kmsan_get_shadow_origin_ptr+0x10/0xa0 [ 167.968716][ T5030] ? add_taint+0x108/0x1a0 [ 167.973282][ T5030] kmsan_report+0x2d0/0x2d0 [ 167.978009][ T5030] ? kmsan_internal_poison_memory+0x49/0x90 [ 167.984052][ T5030] ? kmsan_slab_free+0xd1/0x130 [ 167.989051][ T5030] ? __kmem_cache_free+0x5a1/0xeb0 [ 167.994310][ T5030] ? kfree+0x173/0x430 [ 167.998573][ T5030] ? __msan_warning+0x96/0x110 [ 168.003504][ T5030] ? hfs_find_set_zero_bits+0x836/0xc90 [ 168.009185][ T5030] ? hfs_vbm_search_free+0x141/0x530 [ 168.014622][ T5030] ? hfs_extend_file+0x6fc/0x1bf0 [ 168.019818][ T5030] ? hfs_get_block+0x400/0x1020 [ 168.024816][ T5030] ? __block_write_begin_int+0x6b1/0x2670 [ 168.030714][ T5030] ? block_write_begin+0x143/0x450 [ 168.036017][ T5030] ? cont_write_begin+0xa64/0xe60 [ 168.041246][ T5030] ? hfs_write_begin+0x9a/0x130 [ 168.046227][ T5030] ? generic_perform_write+0x3f5/0xbf0 [ 168.051837][ T5030] ? __generic_file_write_iter+0x393/0x920 [ 168.057878][ T5030] ? generic_file_write_iter+0x103/0x5b0 [ 168.063654][ T5030] ? vfs_write+0x834/0x1580 [ 168.068281][ T5030] ? ksys_write+0x21f/0x4f0 [ 168.072916][ T5030] ? __ia32_sys_write+0x91/0xd0 [ 168.077905][ T5030] ? __do_fast_syscall_32+0xa2/0x100 [ 168.083354][ T5030] ? do_fast_syscall_32+0x37/0x80 [ 168.088613][ T5030] ? do_SYSENTER_32+0x1f/0x30 [ 168.093427][ T5030] ? entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 168.100189][ T5030] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 168.106174][ T5030] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 168.112178][ T5030] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 168.118151][ T5030] __msan_warning+0x96/0x110 [ 168.122884][ T5030] hfs_find_set_zero_bits+0x836/0xc90 [ 168.128413][ T5030] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 168.134914][ T5030] hfs_vbm_search_free+0x141/0x530 [ 168.140298][ T5030] hfs_extend_file+0x6fc/0x1bf0 [ 168.145366][ T5030] hfs_get_block+0x400/0x1020 [ 168.150186][ T5030] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 168.156166][ T5030] __block_write_begin_int+0x6b1/0x2670 [ 168.161904][ T5030] ? hfs_free_extents+0x6b0/0x6b0 [ 168.167067][ T5030] ? kmsan_get_shadow_origin_ptr+0x38/0xa0 [ 168.173056][ T5030] block_write_begin+0x143/0x450 [ 168.178187][ T5030] ? hfs_free_extents+0x6b0/0x6b0 [ 168.183402][ T5030] cont_write_begin+0xa64/0xe60 [ 168.188437][ T5030] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 168.194419][ T5030] hfs_write_begin+0x9a/0x130 [ 168.199244][ T5030] ? hfs_free_extents+0x6b0/0x6b0 [ 168.204420][ T5030] ? __hfs_ext_cache_extent+0x7e0/0x7e0 [ 168.210135][ T5030] generic_perform_write+0x3f5/0xbf0 [ 168.215621][ T5030] __generic_file_write_iter+0x393/0x920 [ 168.221433][ T5030] generic_file_write_iter+0x103/0x5b0 [ 168.227069][ T5030] ? __generic_file_write_iter+0x920/0x920 [ 168.233117][ T5030] vfs_write+0x834/0x1580 [ 168.237645][ T5030] ksys_write+0x21f/0x4f0 [ 168.242176][ T5030] __ia32_sys_write+0x91/0xd0 [ 168.246996][ T5030] __do_fast_syscall_32+0xa2/0x100 [ 168.252303][ T5030] ? irqentry_exit+0x16/0x40 [ 168.257092][ T5030] ? exc_page_fault+0x38a/0x600 [ 168.262090][ T5030] do_fast_syscall_32+0x37/0x80 [ 168.267117][ T5030] do_SYSENTER_32+0x1f/0x30 [ 168.271766][ T5030] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 168.278236][ T5030] RIP: 0023:0xf7f11549 [ 168.282455][ T5030] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 168.302218][ T5030] RSP: 002b:00000000ffe4ee2c EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 168.310965][ T5030] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004200 [ 168.319168][ T5030] RDX: 00000000000ffe00 RSI: 0000000000000001 RDI: 00000000f7f8603f [ 168.327292][ T5030] RBP: 00000000f7fbcf00 R08: 0000000000000000 R09: 0000000000000000 [ 168.335381][ T5030] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000 [ 168.343479][ T5030] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 168.351577][ T5030] </TASK> [ 168.354957][ T5030] Kernel Offset: disabled [ 168.359368][ T5030] Rebooting in 86400 seconds..